2008-2014 WRX/STI
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GrimmSpeed Exhaust Gasket Set 2002-2014 WRX/ 2004-2021 STI
Original price $99.00 - Original price $99.00Original price$99.00$99.00 - $99.00Current price $99.00| /GrimmSpeed™ knows that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. We'v...
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GrimmSpeed TGV to Engine Gasket (Pair) 2002-2014 WRX/ 2004-2021 STI
Original price $13.00 - Original price $13.00Original price$13.00$13.00 - $13.00Current price $13.00| /Set of GrimmSpeed TGV to Engine Gaskets. We recommend replacing these any time you pull your TGVs off. These come as a pair, pick up an additional ...
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Radium TGV to Head Gasket 2002-2014 WRX / 2004-2021 STI
Original price $8.50 - Original price $8.50Original price$8.50$8.50 - $8.50Current price $8.50| /Metal reinforced, crush resistant, high temperature graphite fiber. Fits most Subaru EJ engines. Installs between intake manifold (TGVs) and cylind...
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IAG PTFE Fuel System Kit w/ Lines, FRP, Fuel Rails 2008-2021 STI
Original price $879.99 - Original price $879.99Original price$879.99$879.99 - $879.99Current price $879.99| /The IAG PTFE Engine Bay Fuel Kit for the 2008-21 Subaru STI combines our popular PTFE Fuel Line kit with our IAG Top Feed Fuel Rails and the Aeromo...
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IAG PTFE Flex Fuel System Kit w/ Lines, FRP, Fuel Rails 2008-2021 STI
Original price $999.99 - Original price $999.99Original price$999.99$999.99 - $999.99Current price $999.99| /The IAG Performance PTFE Engine Bay Flex Fuel Kit for the 2008-21 Subaru STI combines our popular PTFE Flex Fuel Line kit with IAG Top Feed Fuel Ra...
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IAG PTFE Fuel System Kit w/ Injectors, Lines, FRP, Fuel Rails 2008-2021 STI
Original price $1,549.99 - Original price $2,399.99Original price$1,549.99 - $2,399.99$1,549.99 - $2,399.99Current price $1,549.99| /The IAG Performance PTFE Engine Bay Flex Fuel Kit for the 2008-21 Subaru STI combines our popular PTFE Flex Fuel Line kit with IAG Top Feed Fuel Ra...
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IAG PTFE Flex Fuel System Kit w/ Injectors, Lines, FRP, Fuel Rails 2008-2021 STI
Original price $1,679.99 - Original price $2,529.99Original price$1,679.99 - $2,529.99$1,679.99 - $2,529.99Current price $1,679.99| /The IAG Performance PTFE Engine Bay Flex Fuel Kit for the 2008-21 Subaru STI combines our popular PTFE Flex Fuel Line kit with IAG Top Feed Fuel Ra...
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IAG Street Series Air Oil Separator 2008-2014 WRX/ 2008-2021 STI
Original price $439.99 - Original price $439.99Original price$439.99$439.99 - $439.99Current price $439.99| /The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street Seri...
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IAG 550 Closed Deck Long Block w/ Stage 1 Heads 2006-2014 WRX / 2004-2021 STI
Original price $9,499.99 - Original price $9,499.99Original price$9,499.99$9,499.99 - $9,499.99Current price $9,499.99| /The IAG Performance Hand-Built 550 Subaru EJ25 Long Block Packages are a complete, valve cover to valve cover, crate engine. These engines offer si...
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IAG 600 Closed Deck Long Block w/ Stage 2 Heads 2006-2014 WRX / 2004-2021 STI
Original price $10,449.99 - Original price $10,449.99Original price$10,449.99$10,449.99 - $10,449.99Current price $10,449.99| /The IAG Performance Hand-Built Subaru EJ25 Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer...
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IAG 700 Closed Deck Long Block w/ Stage 3 Heads 2006-2014 WRX / 2004-2021 STI
Original price $11,549.99 - Original price $11,549.99Original price$11,549.99$11,549.99 - $11,549.99Current price $11,549.99| /The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These e...
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IAG 900 Closed Deck Long Block w/ Stage 4 Heads 2006-2014 WRX / 2004-2021 STI
Original price $12,749.99 - Original price $12,749.99Original price$12,749.99$12,749.99 - $12,749.99Current price $12,749.99| /The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These e...
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IAG 1000+ Closed Deck Long Block w/ Stage 5 Heads 2006-2014 WRX / 2004-2021 STI
Original price $17,449.99 - Original price $17,449.99Original price$17,449.99$17,449.99 - $17,449.99Current price $17,449.99| /The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These e...
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IAG Performance Stage X Short Block 2002-2014 WRX / 2004-2021 STI
Original price $17,599.99 - Original price $17,599.99Original price$17,599.99$17,599.99 - $17,599.99Current price $17,599.99| /The CNC Billet Aluminum EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness ...
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Process West Black Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI
Original price $2,098.95 - Original price $2,098.95Original price$2,098.95$2,098.95 - $2,098.95Current price $2,098.95| /The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...
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Process West Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI
Original price $2,031.75 - Original price $2,031.75Original price$2,031.75$2,031.75 - $2,031.75Current price $2,031.75| /The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...
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Process West Black Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI
Original price $2,098.95 - Original price $2,098.95Original price$2,098.95$2,098.95 - $2,098.95Current price $2,098.95| /The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...
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Process West Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI
Original price $2,031.75 - Original price $2,031.75Original price$2,031.75$2,031.75 - $2,031.75Current price $2,031.75| /The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...
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AMS Performance Intake Manifold 2004-2021 STI
Original price $1,299.95 - Original price $1,299.95Original price$1,299.95$1,299.95 - $1,299.95Current price $1,299.95| /Stay Ahead Of Your Competition With The AMS Subaru WRX / STI Intake Manifold! The AMS Subaru Intake Manifold was designed to outperform the competi...
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CSF 2-Row Time Attack Race-Spec Radiator (Black) 2008-2021 WRX/STI
Original price $379.00 - Original price $379.00Original price$379.00$379.00 - $379.00Current price $379.00| /SPECS: 100% all-aluminum TIG-welded construction New black finish to provide a cleaner look Includes CNC-machined mounting brackets 2-row 42mm ult...
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Injector Dynamics 1300cc Fuel Injectors 2002-2014 WRX/ 2007-2021 STI
Original price $945.00 - Original price $945.00Original price$945.00$945.00 - $945.00Current price $945.00| /1300cc injector size Top-feed type Designed in partnership with Bosch Motorsport Designed to work with alternative fuels All stainless internals C...
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Injector Dynamics ID2600-XDS Fuel Injectors 2002-2014 WRX/ 2007-2021 STI
Original price $1,449.00 - Original price $1,449.00Original price$1,449.00$1,449.00 - $1,449.00Current price $1,449.00| /ID2600 XDS model Top-feed injector type Compact body Improved internal flow path increases output by 5% without sacrificing low flow performance D...
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GrimmSpeed Top Mount Intercooler Aluminum Y-Pipe Kit 2004-2021 STI
Original price $169.00 - Original price $169.00Original price$169.00$169.00 - $169.00Current price $169.00| /Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The elbow coupler is si...
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GrimmSpeed Red Air Oil Separator 2002-2007 WRX / 2004-2021 STI
Original price $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| /An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. The Gr...
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GrimmSpeed Dry-Con Air Filters
Original price $59.00 - Original price $59.00Original price$59.00$59.00 - $59.00Current price $59.00| /At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase po...
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Subaru JDM STI Radiator Cap 2002+ WRX / 2004-2021 STI
Original price $49.95 - Original price $49.95Original price$49.95$49.95 - $49.95Current price $49.95| / -
GrimmSpeed V2 Bypass Valve 2004-2021 STI / 2002-2007 WRX
Original price $249.00 - Original price $249.00Original price$249.00$249.00 - $249.00Current price $249.00| /GrimmSpeed V2 Bypass Valve 2004-2021 Subaru STI / 2002-2007 Subaru WRX CHANGES MADE IN THE V2 BPV: Removed the inspection port which was primarily...
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AEM X-Series In-Line Wideband AFR Controller
Original price $184.95 - Original price $184.95Original price$184.95$184.95 - $184.95Current price $184.95| /AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest...
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GrimmSpeed Exhaust Manifold to Head Gasket (Pair) 2002+ WRX/STI
Original price $22.00 - Original price $22.00Original price$22.00$22.00 - $22.00Current price $22.00| /At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel OEM style gaskets. Th...
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aFe Magnum Pro Dry S Performance Air Filter 2008-2021 WRX/ 2008-2018 STI
Original price $84.00 - Original price $84.00Original price$84.00$84.00 - $84.00Current price $84.00| /Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for ...
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aFe Magnum Pro 5R Performance Air Filter 2008-2021 WRX/ 2008-2018 STI
Original price $84.00 - Original price $84.00Original price$84.00$84.00 - $84.00Current price $84.00| /Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for ...
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Koyo Aluminum Racing Radiator 2008-2021 WRX/STI
Original price $359.00 - Original price $359.00Original price$359.00$359.00 - $359.00Current price $359.00| /The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator line up. An engine's cooling system in many newer vehicles...
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FactionFab MAF Sensor Replacement O Ring 2008-2014 WRX/ 2008-2021 STI
Original price $7.00 - Original price $7.00Original price$7.00$7.00 - $7.00Current price $7.00| /With the removal and re-installation of intakes, and due to external weather and underhood temperatures, the factory O ring on the MAF sensor will ...
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FactionFab Timing Belt Guide 2004-2021 STI
Original price $45.00 - Original price $45.00Original price$45.00$45.00 - $45.00Current price $45.00| /The factory Subaru timing belt guides are made out of a thin and flimsy steel and have a limited range of adjustment. The Faction Fab Timing Belt G...
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FactionFab Timing Belt Guide 2002-2014 WRX
Original price $45.00 - Original price $45.00Original price$45.00$45.00 - $45.00Current price $45.00| /The factory Subaru timing belt guides are made out of a thin and flimsy steel and have a limited range of adjustment. The Faction Fab Timing Belt G...
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FactionFab Subaru Pitch Stop Mount 2002+ WRX/STI
Original price $99.00 - Original price $99.00Original price$99.00$99.00 - $99.00Current price $99.00| /The pitch stop is designed to reduce front to back engine movement under acceleration and braking. In order to achieve maximum comfort, the factory...
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