Quick view Details K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter MSRP: Now: $59.99 Add to Cart Compare Quick view Details Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet MSRP: Now: $39.00 Add to Cart Compare Quick view Details Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ MSRP: Now: $363.00 Add to Cart Compare Quick view Details ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) MSRP: Now: $45.00 Add to Cart Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL MSRP: Now: $295.00 Choose Options Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM MSRP: Now: $495.00 Choose Options Compare Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet MSRP: Now: $39.00 Add to Cart Compare Quick view Details Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ MSRP: Now: $363.00 Add to Cart Compare Quick view Details ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) MSRP: Now: $45.00 Add to Cart Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL MSRP: Now: $295.00 Choose Options Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM MSRP: Now: $495.00 Choose Options Compare Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ MSRP: Now: $363.00 Add to Cart Compare Quick view Details ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) MSRP: Now: $45.00 Add to Cart Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL MSRP: Now: $295.00 Choose Options Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM MSRP: Now: $495.00 Choose Options Compare Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) MSRP: Now: $45.00 Add to Cart Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL MSRP: Now: $295.00 Choose Options Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM MSRP: Now: $495.00 Choose Options Compare Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL MSRP: Now: $295.00 Choose Options Compare Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM MSRP: Now: $495.00 Choose Options Compare Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM MSRP: Now: $495.00 Choose Options Compare Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 MSRP: Now: $3,225.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA MSRP: Now: $3,250.00 Add to Cart Compare Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA MSRP: Now: $3,450.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI MSRP: Now: $429.00 Add to Cart Compare Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 MSRP: Now: $429.00 Add to Cart Compare Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI MSRP: Now: $371.45 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) MSRP: Now: $339.00 Add to Cart Compare Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake MSRP: Now: $349.00 Choose Options Compare Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box MSRP: Now: $373.95 Choose Options Compare Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake MSRP: Now: $350.95 Choose Options Compare Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) MSRP: Now: $80.00 Choose Options Compare SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
SALE Quick view Details COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare
Quick view Details COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 MSRP: Now: $235.00 Add to Cart Compare Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI MSRP: Now: $650.00 Add to Cart Compare Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI MSRP: Now: $17.95 Add to Cart Compare Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 MSRP: Now: $265.00 Add to Cart Compare Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view K&N | sku: 33-5092 K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority... MSRP: Now: $59.99 Add to Cart Compare Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Killer B Motorsport | sku: TIEJC84 Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,... MSRP: Now: $39.00 Add to Cart Compare Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Process West | sku: PWCAI07 Process West Cold Air Intake System - Subaru STI 2015+ The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC... MSRP: Now: $363.00 Add to Cart Compare Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view ETS | sku: SP-3606 ETS 2015+ SUBARU STI AIR FILTER (SP-3606) These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter... MSRP: Now: $45.00 Add to Cart Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT STAINLESS STEEL The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" stainless... MSRP: Now: $295.00 Choose Options Compare Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view ETS ETS SUBARU STI 2015+ AIR INTAKE KIT TITANIUM The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our intake is made from high quality parts and built in house at our facility. 3" Titanium... MSRP: Now: $495.00 Choose Options Compare Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view COBB | sku: SUB004NG2S1-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2015-2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,225.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view COBB | sku: SUB004NG2S2-BK COBB TUNING SUBARU NEXGEN STAGE 2 POWER PACKAGE STI 2019-2021, 2018 TYPE RA 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Now: $3,250.00 Add to Cart Compare Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view COBB | sku: SUB004NG2W-RED COBB TUNING SUBARU NEXGEN STAGE 2 REDLINE CARBON FIBER POWER PACKAGE STI 2015-2021, 2018 TYPE RA Cobb 15-21 Subaru STI / 2018 Type RA NexGen Stage 2 Power Package - Redline Carbon Fiber 1 x cobb312150 Cobb Subaru Top Feed 1050X Fuel Injectors 1 x cobb343250 Cobb 08-17 Subaru STi Fuel Rail Line Kit 1 x cobb343150 Cobb 08-17 Subaru STi Fuel Rails 1 x... MSRP: Now: $3,450.00 Add to Cart Compare Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view AFE | sku: 56-70014D **Special Order** aFe Takeda Momentum Pro Dry S Cold Air Intake System 2018 - 2021 TI aFe Takeda Momentum Pro Dry S Cold Air Intake System 18-19 Subaru WRX STI H4-2.5L Dyno-Proven Gains up to +10 HP & +11 Lbs. x Ft. TQ Outflows Factory Intake by 49% Measured Flow: 305 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included... MSRP: Now: $429.00 Add to Cart Compare Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view AFE | sku: 56-70014R aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru STI 18-21 aFe Takeda Momentum Pro 5R Cold Air Intake System Subaru WRX STI 18-19 H4-2.5L Dyno-Proven Gains up to +19 HP & +21 Lbs. x Ft. TQ Outflows Factory Intake by 56% Measured Flow: 320 CFM @ 7" H2O Sealed Housing Captures Cool Air From Included Dynamic... MSRP: Now: $429.00 Add to Cart Compare Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view PERRIN | sku: PSP-INT-326BK Perrin COLD AIR INTAKE FOR 2018-2021 STI Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air-fuel ratios and preventing check engine lights that plague competitors... MSRP: Now: $371.45 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Killer B Motorsport | sku: EJTI-84 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 84mm/FP Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Killer B Motorsport | sku: EJTI-3 Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to 3in. Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and... MSRP: Now: $339.00 Add to Cart Compare Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Killer B Motorsport | sku: EJTI-OE Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Killer B EJ Cast Aluminum Turbo Inlet (KBM to OEM Coupler) Designed and Made in the USAMade from Heat Treated Cast Aluminumincludes Coupler for OEM or 3" Compressor InletDoes not require removal of Intake ManifoldIncludes Fittings for OEM and Aftermarket... MSRP: Now: $339.00 Add to Cart Compare Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view GrimmSpeed | sku: 060078. GrimmSpeed 2015+ Subaru STI Stealthbox Cold Air Intake ** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the filter onto the tube no more than 1" before tightening the clamp. This will ensure that the velocity stack within the filter is allowed to function... MSRP: Now: $349.00 Choose Options Compare Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Mishimoto Mishimoto 2015 - 2018 Subaru STi Performance Race Intake w/ Box Mishimoto 2015 Subaru STi Performance Race Intake w/ Box Direct fit for 2015-2018 Subaru STI Installs in under 30 minutes Larger-diameter intake pipe for large turbochargers and more aggressive engine tunes Exclusive optional airbox retains stock-like... MSRP: Now: $373.95 Choose Options Compare Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Mishimoto | sku: MMAI-STI-15 Mishimoto 2015 - 2018 Subaru STi Performance Cold-Air Intake Direct fit for 2015-2018 Subaru STI Maximum gain: 20+ whp and 18 wtq Mandrel-bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Rubber cap supplied for noise... MSRP: Now: $350.95 Choose Options Compare Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view GrimmSpeed GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete) Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose... MSRP: Now: $80.00 Choose Options Compare SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
SALE Quick view COBB | sku: SUB0040S1P COBB SUBARU STAGE 1+ POWER PACKAGE STI 2019-2020, TYPE RA 2018 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)... MSRP: Was: $1,225.00 Now: $1,150.00 Choose Options Compare
Quick view COBB | sku: 715160 COBB SUBARU AIRBOX STI 2015-2018 Cobb 15-18 Subaru WRX STI Airbox The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine... MSRP: Now: $235.00 Add to Cart Compare Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view HKS | sku: 70026-AF001 **Special Order* HKS Dry Carbon Suction Kit | 2008-2020 Subaru STI Dry Carbon Suction Kit for 2008-2020 Subaru STI by HKS The HKS Dry Carbon Suction kit is lighter and more heat resistant than OEM factory for greater intake performance and resistance to heat soak. This kit features an autoclave dry carbon pipe... MSRP: Now: $650.00 Add to Cart Compare Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Mishimoto | sku: MMAF-SUB-SGD Mishimoto Sound Generator Delete Kit | 2015-2020 Subaru STI 15+ Subaru STI Sound Generator Delete Kit by Mishimoto More and more vehicles are being sold with a ‘sound symposer’ system on their engines. This basically pumps engine noise into the cabin of the vehicle so the driver can experience the... MSRP: Now: $17.95 Add to Cart Compare Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected
Quick view COBB | sku: 712450 COBB TUNING SILICONE TURBO INLET V2 STI 2008-2021 2008-2020 STI Silicone Turbo Inlet V2 by Cobb Tuning Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the efficiency of the inlet will reduce stress on the... MSRP: Now: $265.00 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected