Quick view Details GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent MSRP: Now: $349.00 Choose Options Compare 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 Compare Selected × OK
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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 Compare Selected × OK
Quick view GrimmSpeed GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and has internal features that disrupt airflow. The... MSRP: Now: $349.00 Choose Options 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 Compare Selected
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 Compare Selected