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Use Coupon Code BOOST5 at Checkout!

Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

04-07 STI Exhausts / Headers

ETS Single Exit Catback Exhaust System - 2002-2007 WRX/STI

ETS Single Exit Catback Exhaust System - 2002-2007 WRX/STI $995.00

ETS V2 Maxflow Headers - 2004-2021 STI

ETS V2 Maxflow Headers - 2004-2021 STI $1,495.00

FactionFab 3D Turbo Blanket Lava - 2002-2014 WRX / 2004-2021 STI

FactionFab 3D Turbo Blanket Lava - 2002-2014 WRX / 2004-2021 STI $150.00

GrimmSpeed 3" Downpipe to OEM Cat-Back Adapter

GrimmSpeed 3" Downpipe to OEM Cat-Back Adapter $48.45 $57.00

GrimmSpeed 3-Bolt Exhaust Manifold to Uppipe Gasket - WRX/STI/LGT/FXT

GrimmSpeed 3-Bolt Exhaust Manifold to Uppipe Gasket - WRX/STI/LGT/FXT $18.70 $22.00

GrimmSpeed Downpipe to Catback 3" Gasket

GrimmSpeed Downpipe to Catback 3" Gasket $18.70 $22.00

GrimmSpeed Downpipe to Catback 3" Gasket Double Thick

GrimmSpeed Downpipe to Catback 3" Gasket Double Thick $22.95 $27.00

GrimmSpeed Downpipe/J-Pipe Donut Gasket - 2002-2021 WRX/STI

GrimmSpeed Downpipe/J-Pipe Donut Gasket - 2002-2021 WRX/STI $13.60 $16.00

GrimmSpeed Exhaust Manifold to Head Gasket (PAIR) - 2002-2021 WRX/STI

GrimmSpeed Exhaust Manifold to Head Gasket (PAIR) - 2002-2021 WRX/STI $18.70 $22.00

GrimmSpeed Lower Uppipe Gasket - 2002-2014 WRX / 2004-2021 STI

GrimmSpeed Lower Uppipe Gasket - 2002-2014 WRX / 2004-2021 STI $11.05 $13.00

GrimmSpeed Stock Downpipe to 3" Catback Adapter - Subaru

GrimmSpeed Stock Downpipe to 3" Catback Adapter - Subaru $48.45 $57.00

GrimmSpeed Subaru Exhaust Gasket Set - 2002-2014 WRX / 2004-2021 STI

GrimmSpeed Subaru Exhaust Gasket Set - 2002-2014 WRX / 2004-2021 STI $84.15 $99.00

GrimmSpeed Turbo Heat Shield Reflect-A-Gold Foil - Subaru Turbo Models

GrimmSpeed Turbo Heat Shield Reflect-A-Gold Foil - Subaru Turbo Models $42.50 $50.00

GrimmSpeed Turbo Heat Shield Version 2 - Subaru EJ Turbo Models

GrimmSpeed Turbo Heat Shield Version 2 - Subaru EJ Turbo Models $67.15 $79.00

GrimmSpeed Turbo Heat Shield Version 2 Black Thermal Coated - Subaru Turbo Models

GrimmSpeed Turbo Heat Shield Version 2 Black Thermal Coated - Subaru Turbo Models $84.15 $99.00

GrimmSpeed Unequal Length Headers - 2002-2014 WRX* / 2004-2021 STI

GrimmSpeed Unequal Length Headers - 2002-2014 WRX* / 2004-2021 STI $849.15 $999.00

GrimmSpeed Universal Exhaust Gasket 2.25-2.5in - Universal

GrimmSpeed Universal Exhaust Gasket 2.25-2.5in - Universal $19.55 $23.00

GrimmSpeeed HiFlow Exhaust Manifold Crosspipe - 2002-2005 WRX / 2008-2014 WRX / 2004-2021 STI

GrimmSpeeed HiFlow Exhaust Manifold Crosspipe - 2002-2005 WRX / 2008-2014 WRX / 2004-2021 STI from $195.50 $269.00

HKS Carbon-Ti Cat Back Exhaust - 2002-2007 WRX/STI

HKS Carbon-Ti Cat Back Exhaust - 2002-2007 WRX/STI $909.50 $1,070.00

HKS Hi-Power Cat Back Exhaust - 2002-2007 WRX/STI

HKS Hi-Power Cat Back Exhaust - 2002-2007 WRX/STI $535.50 $630.00

HKS Stainless Steel Equal Length Exhaust Manifold - 2004-2021 STI / 2008-2014 WRX

HKS Stainless Steel Equal Length Exhaust Manifold - 2004-2021 STI / 2008-2014 WRX $595.00 $700.00

HKS Stainless Steel Unequal Length Headers - 2004-2021 STI / 02-14 WRX

HKS Stainless Steel Unequal Length Headers - 2004-2021 STI / 02-14 WRX $1,130.50 $1,330.00

IAG Performance Equal Length 3-Bolt Headers - 2004-2021 STI / 2002-2014 WRX / 2005-2019 LGT / 2004-2008 FXT

IAG Performance Equal Length 3-Bolt Headers - 2004-2021 STI / 2002-2014 WRX / 2005-2019 LGT / 2004-2008 FXT $679.99 $799.99

Invidia Equal Length Race Exhaust Manifold - 2006-2021 STI / 2008-2014 WRX

Invidia Equal Length Race Exhaust Manifold - 2006-2021 STI / 2008-2014 WRX $1,024.01 $1,192.10

Invidia G200 Cat Back Exhaust - 2002-2007 WRX/STI

Invidia G200 Cat Back Exhaust - 2002-2007 WRX/STI $751.02 $874.30

Invidia N1 Catback Exhaust Titanium Tip - 2002-2007 WRX/ STI

Invidia N1 Catback Exhaust Titanium Tip - 2002-2007 WRX/ STI $681.87 $793.80

Invidia Q300 Cat Back Exhaust - 2002-2007 WRX/STI

Invidia Q300 Cat Back Exhaust - 2002-2007 WRX/STI $715.55 $833.00

Invidia Racing Series Cat Back Exhaust - 2002-2007 WRX/STI

Invidia Racing Series Cat Back Exhaust - 2002-2007 WRX/STI $597.09 $695.10

Invidia Titanium Catback Exhaust - 2002-2007 WRX/STI

Invidia Titanium Catback Exhaust - 2002-2007 WRX/STI $1,524.25 $1,711.50

Killer B Motorsport 4-1 Holy Header 2-Bolt - 02-14 WRX / 04-21 STI

Killer B Motorsport 4-1 Holy Header 2-Bolt - 02-14 WRX / 04-21 STI $1,399.00

Killer B Motorsport 4-1 Holy Header 2-Bolt Max VE - 02-14 WRX / 04-21 STI

Killer B Motorsport 4-1 Holy Header 2-Bolt Max VE - 02-14 WRX / 04-21 STI $1,599.00

Killer B Motorsport 4-1 Holy Header 2-Bolt SwainTech Coated - 02-14 WRX / 04-20 STI

Killer B Motorsport 4-1 Holy Header 2-Bolt SwainTech Coated - 02-14 WRX / 04-20 STI $1,829.00

Killer B Motorsport 4-1 Holy Header w/ Uppipe - 02-14 WRX / 04-20 STI

Killer B Motorsport 4-1 Holy Header w/ Uppipe - 02-14 WRX / 04-20 STI $1,649.00

Mishimoto 3" Downpipe to Stock Catback Adapter

Mishimoto 3" Downpipe to Stock Catback Adapter $53.95

Mishimoto OEM Downpipe to 3" Catback Adapter

Mishimoto OEM Downpipe to 3" Catback Adapter $53.95

Mishimoto Stock Downpipe to 3" Catback Adapter - Subaru

Mishimoto Stock Downpipe to 3" Catback Adapter - Subaru $53.95

Nameless Performance Turbo Heatshield Black Ceramic Blue - 02-14 WRX / 04-21 STI

Nameless Performance Turbo Heatshield Black Ceramic Blue - 02-14 WRX / 04-21 STI $152.00

Nameless Performance Turbo Heatshield Black Ceramic Red - 02-14 WRX / 04-21 STI

Nameless Performance Turbo Heatshield Black Ceramic Red - 02-14 WRX / 04-21 STI $152.00

Perin 2015mm Exhaust Hanger Standard Length (Set of 4) - 2002-2007 WRX/STI

Perin 2015mm Exhaust Hanger Standard Length (Set of 4) - 2002-2007 WRX/STI $9.00 $15.00

PLM Power Driven Competition 2-Bolt Uppipe 38/40mm - WRX/STI/LGT/FXT

PLM Power Driven Competition 2-Bolt Uppipe 38/40mm - WRX/STI/LGT/FXT $349.00

PLM Power Driven Competition 2-Bolt Uppipe 44/45mm - WRX/STI/LGT/FXT

PLM Power Driven Competition 2-Bolt Uppipe 44/45mm - WRX/STI/LGT/FXT $349.00

PLM Power Driven Competition 3-Bolt Uppipe 38/40mm - WRX/STI/LGT/FXT

PLM Power Driven Competition 3-Bolt Uppipe 38/40mm - WRX/STI/LGT/FXT $249.00

PTP Turbo Blanket Lava - 02-14 WRX / 04+ STI

PTP Turbo Blanket Lava - 02-14 WRX / 04+ STI $134.95

PTP Turbo Blankets Turbo Blanket Black - 02-14 WRX / 04-18 STI

PTP Turbo Blankets Turbo Blanket Black - 02-14 WRX / 04-18 STI $94.95

PTP Turbo Blankets Turbo Blanket Red - 02-14 WRX / 04-20 STI

PTP Turbo Blankets Turbo Blanket Red - 02-14 WRX / 04-20 STI $94.95

Subaru OEM Exhaust Manifold Nut - 02-21 WRX/STI

Subaru OEM Exhaust Manifold Nut - 02-21 WRX/STI $5.23

Subaru OEM Stud Cylinder Head Exhaust Manifold - 02-20 WRX/STI / BRZ

Subaru OEM Stud Cylinder Head Exhaust Manifold - 02-20 WRX/STI / BRZ $3.20

Subaru OEM Turbo-Downpipe Hardware Kit - 02-14 WRX / 04-20 STI

Subaru OEM Turbo-Downpipe Hardware Kit - 02-14 WRX / 04-20 STI $50.00

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