Quick view Details IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT MSRP: Now: $799.99 Add to Cart Compare Quick view Details IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT MSRP: Now: $749.99 Add to Cart Compare Quick view Details GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view Details aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy MSRP: Now: $741.60 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating MSRP: Now: $2,129.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT MSRP: Now: $1,759.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT MSRP: Now: $749.99 Add to Cart Compare Quick view Details GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view Details aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy MSRP: Now: $741.60 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating MSRP: Now: $2,129.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT MSRP: Now: $1,759.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare
Quick view Details aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy MSRP: Now: $741.60 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating MSRP: Now: $2,129.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT MSRP: Now: $1,759.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating MSRP: Now: $2,129.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT MSRP: Now: $1,759.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT MSRP: Now: $1,759.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself MSRP: Now: $1,299.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe MSRP: Now: $2,098.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series MSRP: Now: $1,599.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating MSRP: Now: $1,829.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series MSRP: Now: $1,669.00 Add to Cart Compare Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 MSRP: Now: $59.69 Add to Cart Compare Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe MSRP: Now: $269.00 Add to Cart Compare Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt MSRP: Now: $1,399.00 Choose Options Compare Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments MSRP: Now: $890.00 Add to Cart Compare Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 MSRP: Now: $1,192.10 Add to Cart Compare Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** MSRP: Now: $1,274.15 Add to Cart Compare Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments MSRP: Now: $595.00 Add to Cart Compare Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Details Borla | sku: 17217 Borla Header 02+ WRX and STi MSRP: Now: $828.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view IAG | sku: IAG-EXT-1001 IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the... MSRP: Now: $799.99 Add to Cart Compare Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view IAG | sku: IAG-EXT-1000 IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT IAG Performance Unequal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The... MSRP: Now: $749.99 Add to Cart Compare Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view GrimmSpeed GrimmSpeed Unequal Length Header - EJ Series Engines Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a... MSRP: Was: Now: $999.00 - $1,308.00 Choose Options Compare
Quick view aFe | sku: 48-36803 aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut... MSRP: Now: $741.60 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH4-1-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible... MSRP: Now: $2,129.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH4-1-EGT **Special Order** Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short... MSRP: Now: $1,759.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH-DIY Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev... MSRP: Now: $1,299.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH-2BOLT-VE-UP **Special Order** Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High... MSRP: Now: $2,098.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH-2BOLT-VE Killer B Holy Header Max EJ Series Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2... MSRP: Now: $1,599.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH-2BOLT-SWAIN Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the... MSRP: Now: $1,829.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH4-1 Killer B Equal Length 4-1 Holy Header EJ Series Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as... MSRP: Now: $1,669.00 Add to Cart Compare Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view DEI | sku: dei10127 DEI Titanium Exhaust Wrap with LR Technology 010127 Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and... MSRP: Now: $59.69 Add to Cart Compare Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view GrimmSpeed | sku: 003001 GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed... MSRP: Now: $269.00 Add to Cart Compare Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Killer B Motorsport | sku: HH-2BOLT Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range... MSRP: Now: $1,399.00 Choose Options Compare Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Tomei | sku: TB6010-SB02B Tomei 4-2-1 Equal Length Exhaust Manifold Kit | Multiple Fitments ***Please allow 6 - 12 weeks for this item ship. Due to the fact that these items come from Japan and there is a big demand for them wait times have increased and they sell out quickly! Thank you for understanding. FEATURES4-2-1 Isometric Design... MSRP: Now: $890.00 Add to Cart Compare Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view Invidia | sku: HS05SW1HDR Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009 Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you... MSRP: Now: $1,192.10 Add to Cart Compare Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view PERRIN | sku: PSP-EXT-056 **Special Order** Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued** E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more... MSRP: Now: $1,274.15 Add to Cart Compare Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected × OK
Quick view HKS | sku: 14019-AF002 HKS Equal Length Header / Exhaust Manifold | Multiple Fitments Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to... MSRP: Now: $595.00 Add to Cart Compare Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected
Quick view Borla | sku: 17217 Borla Header 02+ WRX and STi Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you... MSRP: Now: $828.99 Add to Cart Compare Compare Selected