Quick view Details Killer B Motorsport | sku: TIEJC3 **Special Order** Killer B 3in Coupler Extreme Flow HARD Turbo Inlet MSRP: Now: $45.00 Add to Cart Compare
Quick view Details TIALSport TiAL Sport Q BOV 11 PSI Spring MSRP: Now: $278.95 Choose Options Compare
Quick view Details Turbosmart | sku: TS-0552-1012 Turbosmart WG40 Gen V Compgate 40mm - 14 PSI Black MSRP: Now: $354.95 Add to Cart Compare
Quick view Details GrimmSpeed GRIMMSPEED VERSION 2 BYPASS VALVE - 02-07 WRX, 04-21 STI MSRP: Now: $249.00 Choose Options Compare
Quick view Details Turbosmart | sku: TS-0203-1215 Turbosmart BOV Kompact Plumb Back - Subaru - TS-0203-1215 MSRP: Now: $177.95 Add to Cart Compare
Quick view Details IAG | sku: IAG-ENG-5012SL IAG Replacement Blow Off Valve Elbow for 2002-07 WRX, 2004-21 STI (Silver Finish) MSRP: Now: $59.99 Add to Cart Compare
Quick view Details IAG | sku: IAG-ENG-5012BK IAG Replacement Blow Off Valve Elbow for 2002-07 WRX, 2004-21 STI (Black Finish) MSRP: Now: $64.99 Add to Cart Compare
Quick view Details Process West Process West Front Mount Intercooler Kit - Subaru STI 2008-2014 MSRP: Now: $1,494.00 Choose Options Compare
Quick view Details Process West | sku: PWSH002 Process West Silicone Y-Pipe - Subaru WRX 2002-2007 / STI 2004-2014 MSRP: Now: $84.38 Add to Cart Compare
Quick view Details Process West | sku: PWTMIC06B Process West Black Top Mount Intercooler - Subaru STI 2008+ MSRP: Now: $1,031.25 Add to Cart Compare
Quick view Details Forced Performance Forced Performance UHF Blue 51S MSRP: Now: $1,499.00 Choose Options Compare
Quick view Details GrimmSpeed | sku: 057060 GrimmSpeed Universal Electronic Boost Control Solenoid MSRP: Now: $99.00 Add to Cart Compare
Quick view Details BLOX Racing BLOX RACING MANUAL BOOST CONTROLLER MSRP: Now: $89.25 Choose Options Compare
Quick view Details BLOX Racing BLOX RACING INTERCOOLER COUPLER KIT - 2002+ SUBARU WRX / STI MSRP: Now: $20.00 Choose Options Compare
Quick view Details BLOX Racing BLOX RACING AFMAF SILICONE AIR INTAKE HOSE - 08-14 SUBARU WRX / STI & 2019 STI MSRP: Now: $72.00 Choose Options Compare
Quick view Details HKS | sku: 14001-AK067 **Special Orders** HKS GT TURBINE GT4950-BB V Band A/R 0.92 Turbo Kit MSRP: Now: $3,448.50 Add to Cart Compare
Quick view Details HKS | sku: 14001-AK064 **Special Order** HKS GT TURBINE GT5565-BB V band A/R 0.83 Turbo Kit MSRP: Now: $3,543.00 Add to Cart Compare
Quick view Details HKS | sku: 14001-AK062 **Special Order** HKS GT TURBINE GT6290_BB V band A/R 0.83 Turbo Kit MSRP: Now: $4,275.00 Add to Cart Compare
Quick view Details HKS | sku: 14001-AK053 **Special Order** HKS GT TURBINE GT75100-BB V band A/R 1.01 Turbo Kit MSRP: Now: $5,149.00 Add to Cart Compare
Quick view Details HKS | sku: 14001-AK050 **Special Order** HKS GT TURBINE GT75115_BB MSRP: Now: $5,472.00 Add to Cart Compare
Quick view Details ETS - Extreme Turbo Systems ETS 08-14 SUBARU STI INTERCOOLER PIPING - TITANIUM - BRUSHED FINISH MSRP: Was: Now: $1,495.00 - $1,575.00 Choose Options Compare
Quick view Details ETS - Extreme Turbo Systems ETS SUBARU STI 08-14 BLOW OFF VALVE PIPE - TITANIUM MSRP: Was: Now: $365.00 - $430.00 Choose Options Compare
Quick view Details ETS - Extreme Turbo Systems | sku: 200-20-BOV-001 ETS SUBARU STI 08-14 BLOW OFF VALVE PIPE MSRP: Now: $190.00 Add to Cart Compare
Quick view Details ETS - Extreme Turbo Systems ETS 08-14 SUBARU STI TURBO KIT (3 BOLT UP-PIPE CONNECTION) MSRP: Was: Now: $3,095.00 - $6,145.00 Choose Options Compare
Quick view Killer B Motorsport | sku: TIEJC3 **Special Order** Killer B 3in Coupler Extreme Flow HARD Turbo Inlet Killer B 3in Coupler Extreme Flow HARD Turbo Inlet 3 inch to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Now Available: 6" Sticker Vehicle Fitment 2002 - 2007 WRX, 2007+ STi MSRP: Now: $45.00 Add to Cart Compare
Quick view TIALSport TiAL Sport Q BOV 11 PSI Spring TiALSport Q-Series Blow-Off Valve The first revision of TiAL's original BV50 blow-off valve, the Q Series flows 60% more than its predecessor and bolts to any standard TiAL flange without welding. An included weld mounting flange (available in aluminum,... MSRP: Now: $278.95 Choose Options Compare
Quick view Turbosmart | sku: TS-0552-1012 Turbosmart WG40 Gen V Compgate 40mm - 14 PSI Black The GenV WG40 CompGate40 External Wastegate is a Motorsport proven, cost effective external wastegate – The largest in the Turbosmart GenV range and the Highest Flowing Wastegate in the World. The GenV provides extensive user configurability, world... MSRP: Now: $354.95 Add to Cart Compare
Quick view GrimmSpeed GRIMMSPEED VERSION 2 BYPASS VALVE - 02-07 WRX, 04-21 STI The long-awaited return of the GrimmSpeed Bypass Valves is here! Our valves have been a highly sought-after product, but due to the intensive assembly process, it has been hard to keep them on the shelves, which in turn causes frustration among our... MSRP: Now: $249.00 Choose Options Compare
Quick view Turbosmart | sku: TS-0203-1215 Turbosmart BOV Kompact Plumb Back - Subaru - TS-0203-1215 2001-2007 Subaru WRX, 2001-2021 Subaru WRX STI, and 2006-2007 Subaru Forester XT Kompact Series Plumb Back Blow Off Valve by Turbosmart Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for... MSRP: Now: $177.95 Add to Cart Compare
Quick view IAG | sku: IAG-ENG-5012SL IAG Replacement Blow Off Valve Elbow for 2002-07 WRX, 2004-21 STI (Silver Finish) IAG Performance Replacement Blow Off Valve Elbow for 2002-07 WRX & 2004-21 STI. The IAG billet elbow is a direct replacement for the factory piece which is not available separately from Subaru. Our elbow allows the added flexibility of being able to... MSRP: Now: $59.99 Add to Cart Compare
Quick view IAG | sku: IAG-ENG-5012BK IAG Replacement Blow Off Valve Elbow for 2002-07 WRX, 2004-21 STI (Black Finish) IAG Performance Replacement Blow Off Valve Elbow for 2002-07 WRX & 2004-21 STI. The IAG billet elbow is a direct replacement for the factory piece which is not available separately from Subaru. Our elbow allows the added flexibility of being able to... MSRP: Now: $64.99 Add to Cart Compare
Quick view Process West Process West Front Mount Intercooler Kit - Subaru STI 2008-2014 The Process West Front Mount Intercooler Kit for the 08-14 Subaru STI includes a 620 x 255 x 90mm bar & plate intercooler core, with hi-flow polished aluminium end tanks. This allows for smooth flow and effective cooling of the charge air entering... MSRP: Now: $1,494.00 Choose Options Compare
Quick view Process West | sku: PWSH002 Process West Silicone Y-Pipe - Subaru WRX 2002-2007 / STI 2004-2014 The Y-Pipe is the connection between the turbo compressor outlet and the intercooler. This pipe due to the design of most Subaru top mount intercoolers, takes the shape of the letter 'Y'. Almost all of the aftermarket Y-pipes we see do not distribute the... MSRP: Now: $84.38 Add to Cart Compare
Quick view Process West | sku: PWTMIC06B Process West Black Top Mount Intercooler - Subaru STI 2008+ Utilising the a huge 530 x 193 x 90mm bar & plate intercooler core, this is the biggest Top Mount Intercooler that Process West produed for Subarus. This is also currently the largest intercooler for 2015+ models. Included with everything you need to... MSRP: Now: $1,031.25 Add to Cart Compare
Quick view Forced Performance Forced Performance UHF Blue 51S Oil supply line and gasket set included! UHF FP Blue 51S™ Compressor wheel - 73HTZ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 57MM Inducer / 51MM Exducer Compressor Housing - 58MM Stock... MSRP: Now: $1,499.00 Choose Options Compare
Quick view GrimmSpeed | sku: 057060 GrimmSpeed Universal Electronic Boost Control Solenoid When it comes to boost control on turbocharged engines, GrimmSpeed Direct-Fit, 3-Port Electronic Boost Control Solenoids for Subaru, Mitsubishi and Mazda have set the standard in the industry. With that popularity, have come... MSRP: Now: $99.00 Add to Cart Compare
Quick view BLOX Racing BLOX RACING MANUAL BOOST CONTROLLER BLOX Racing offers a manual boost controller that rivals its electronic counterparts. Each controller is constructed out of billet aluminum and stainless steel components, and features a boost dial that is easy to adjust yet will not slip causing over... MSRP: Now: $89.25 Choose Options Compare
Quick view BLOX Racing BLOX RACING INTERCOOLER COUPLER KIT - 2002+ SUBARU WRX / STI BLOX Racing's silicone hose coupler replaces the OEM intercooler hose. BLOX Racing uses 4-layer silicone that is designed to withstand the high temperatures in the engine bay and at the intercooler. Each is fiber reinforced for maximum durability. The... MSRP: Now: $20.00 Choose Options Compare
Quick view BLOX Racing BLOX RACING AFMAF SILICONE AIR INTAKE HOSE - 08-14 SUBARU WRX / STI & 2019 STI BLOX Racing'S silicone hose replaces the OEM hose between the inlet and air box. BLOX Racing uses 4-layer silicone that is designed to withstand the high temperatures in the engine bay and fiber reinforced for maximum durability. The new intake... MSRP: Now: $72.00 Choose Options Compare
Quick view HKS | sku: 14001-AK067 **Special Orders** HKS GT TURBINE GT4950-BB V Band A/R 0.92 Turbo Kit [ GT4950_BB ] Assumed outputs650ps EngineRB26 Twin / SR20 / EJ20 / G16E / VR38 Mirror Twin FeaturesUpgrade from GT III-RS to aim for 500ps. Concepts Big turbocharger for inline 6, V8, V6 and inline 4 tuning engines. HKS takes on the challenge of... MSRP: Now: $3,448.50 Add to Cart Compare
Quick view HKS | sku: 14001-AK064 **Special Order** HKS GT TURBINE GT5565-BB V band A/R 0.83 Turbo Kit [ GT5565_BB ] Assumed outputs650ps EngineRB26(2.8L)Twin turbo / SR20(2.2L) / 4G63(2.3L) FeaturesThe size is like GT3037 + α for 500ps Over. Concepts Big turbocharger for inline 6, V8, V6 and inline 4 tuning engines. HKS takes on the challenge of... MSRP: Now: $3,543.00 Add to Cart Compare
Quick view HKS | sku: 14001-AK062 **Special Order** HKS GT TURBINE GT6290_BB V band A/R 0.83 Turbo Kit [ GT6290_BB ] Assumed outputs900ps EngineRB26 (2.8L) / 2JZ (3.4L) FeaturesTurbo characteristic between the GTIII-4R and the GTIII-5R; intercept is shifted to the high rpm side compared to the 4R, but there is no sagging at high rpm and maximum output is... MSRP: Now: $4,275.00 Add to Cart Compare
Quick view HKS | sku: 14001-AK053 **Special Order** HKS GT TURBINE GT75100-BB V band A/R 1.01 Turbo Kit GT75100_BB ] Assumed outputs1000ps EngineRB26 (2.8L) / 2JZ (3.4L) FeaturesAimed at 1000ps. with the same spool-up as the T51R SPL.BB with boost keeping at high rpm. Concepts Big turbocharger for inline 6, V8, V6 and inline 4 tuning engines. HKS takes... MSRP: Now: $5,149.00 Add to Cart Compare
Quick view HKS | sku: 14001-AK050 **Special Order** HKS GT TURBINE GT75115_BB GT75115_BB ] Assumed outputs1100ps EngineRB26 (2.8L) / 2JZ (3.4L) FeaturesAssuming high boost with the aim of 1000ps OVER, the compressor is V-band. Concepts Big turbocharger for inline 6, V8, V6 and inline 4 tuning engines. HKS takes on the challenge... MSRP: Now: $5,472.00 Add to Cart Compare
Quick view ETS - Extreme Turbo Systems ETS 08-14 SUBARU STI INTERCOOLER PIPING - TITANIUM - BRUSHED FINISH ETS 08-14 Subaru STI Burned Titanium Front Mount Intercooler Piping Kit (No Intercooler). This Extreme Turbo Systems piping kit is the lightest and best-looking kit on the market. With 100% mandrel bending and no cut and welding, this is one solid and... MSRP: Was: Now: $1,495.00 - $1,575.00 Choose Options Compare
Quick view ETS - Extreme Turbo Systems ETS SUBARU STI 08-14 BLOW OFF VALVE PIPE - TITANIUM This is a replacement blow off valve pipe for a 08-14 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer, now available in Titanium! - Includes AIT Bung + Plug - Does NOT include BOV (Sold... MSRP: Was: Now: $365.00 - $430.00 Choose Options Compare
Quick view ETS - Extreme Turbo Systems | sku: 200-20-BOV-001 ETS SUBARU STI 08-14 BLOW OFF VALVE PIPE This is a replacement blow off valve pipe for a 08-14 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include BOV - Requires ETS Piping kit MSRP: Now: $190.00 Add to Cart Compare
Quick view ETS - Extreme Turbo Systems ETS 08-14 SUBARU STI TURBO KIT (3 BOLT UP-PIPE CONNECTION) The 2008-2014 ETS WRX STi Rotated Turbo Kit is one of the most complete kits on the market utilizing optimal intercooler pipe routing and a larger ported s-cover along with a wide variety of turbochargers to match your performance needs. These Extreme... MSRP: Was: Now: $3,095.00 - $6,145.00 Choose Options Compare