WRX STI
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GrimmSpeed MAF Block Off - WRX/STI/FXT
GrimmSpeedIf you upgrade your Subaru to a Blow-Through System you will need a way to block off the location where the old MAF Sensor was. The GrimmSpeed M...
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GrimmSpeed Phenolic Thermal Manifold Spacer WRX/STI/FXT/LGT - 3MM
GrimmSpeedDo you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more H...
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GrimmSpeed Phenolic Thermal Manifold Spacer WRX/STI/FXT/LGT - 8mm
GrimmSpeedDo you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP ...
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GrimmSpeed Pitch Stop Mount
GrimmSpeedThe factory pitch stop mount is often overlooked and leaves a lot of room for improvement, both in performance and aesthetics. The OEM piece is ma...
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GrimmSpeed Post MAF Hose Kit - Subaru 15-17 STI (w/ OEM Sound Generator Tube)
GrimmSpeedAdd a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you ...
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GrimmSpeed Race Version Pitch Stop Mount
GrimmSpeedThe factory pitch stop mount is often overlooked and leaves a lot of room for improvement, both in performance and aesthetics. The OEM piece is ma...
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GrimmSpeed Radiator Hose Kit, Black - 02-07 Impreza, 02-07 WRX, 04-07 STI
GrimmSpeedYour Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...
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GrimmSpeed Radiator Hose Kit, Black - 08-11 Impreza, 08-14 WRX, 08-20 STI, 09-10 Forester, 09-13 FXT
GrimmSpeedYour Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...
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GrimmSpeed Radiator Hose Kit, Red - 02-07 Impreza, 02-07 WRX, 04-07 STI
GrimmSpeedYour Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...
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GrimmSpeed Radiator Hose Kit, Red - 08-11 Impreza, 08-14 WRX, 08-20 STI, 09-10 Forester, 09-13 FXT
GrimmSpeedYour Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...
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GrimmSpeed Radiator Shroud - Subaru 15-21 WRX/STI
GrimmSpeedSpruce up your engine bay and make it stand out! At GrimmSpeed, we pride ourselves in the design of our aesthetic pieces just as much as our per...
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GrimmSpeed Radiator Shroud W/Tool Tray Subaru 02-07 Impreza/WRX/STI
GrimmSpeed3 problems. 1 clever solution. Innovative Integrated Tool Tray! Keeps Radiator Running Cooler(directs air through radiator) Built In Radiator S...
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GrimmSpeed Radiator Shroud W/Tool Tray Subaru 08-14 Impreza/WRX/STI
GrimmSpeed3 PROBLEMS. 1 SOLUTION. How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finall...
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GrimmSpeed Subaru Front Mount Intercooler STI-Style Turbo Outlet Hose 08-14 WRX
GrimmSpeedGrimmSpeed Subaru Front Mount Intercooler "STI-Style" Turbo Outlet Hose 08-14 WRX Adapt your GrimmSpeed 2008-14 WRX Front Mount Intercooler for ...
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GrimmSpeed Top Mount Intercooler Kit - Subaru 02-07 WRX, 04-20 STI, 04-08 FXT
GrimmSpeedThe bar has been raised. So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it come...
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GrimmSpeed Top Mount Intercooler Silicone Coupler Kit - Subaru
GrimmSpeedHigh-quality replacement TMIC Y-Pipe Hoses. Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed T...
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GrimmSpeed Top Mount Intercooler Splitter - 2008 - 2014 Subaru STI
GrimmSpeedOEM Splitter choking your TMIC? We can fix that. These have both been a long time in the making and as the popularity of GrimmSpeed intercooler off...
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GrimmSpeed Top Mount Intercooler Splitter - 2015+ Subaru STI
GrimmSpeedOEM Splitter choking your TMIC? Fix that. These have both been a long time in the making and as the popularity of GrimmSpeed intercooler offerings ...
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GrimmSpeed Top Mount Intercooler Splitter - Subaru 02-07 WRX/STI
GrimmSpeedOEM Splitter choking your TMIC? Fix that. Tired of popping your hood only to have that ugly OEM Splitter remind you of how badly it deprives your f...
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GrimmSpeed Top Mount Intercooler Y-Pipe Kit - Subaru
GrimmSpeedHigh-quality replacement TMIC Y-Pipe Kit. Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top...
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GrimmSpeed Turbo To Downpipe Gasket - WRX/STI/LGT/FXT
GrimmSpeed7 STAINLESS STEEL LAYERS GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed we have worked with endless amounts of a...
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GrimmSpeed Version 2 Turbo Heat Shield - WRX/STI/LGT/FXT
GrimmSpeedMinimize Heat Soak with the ALL NEW Turbo Heat Shield! The turbocharger is one of the hottest components in your engine bay and can have some real...
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GrimmSpeed Version 2 Turbo Heat Shield - WRX/STI/LGT/FXT
GrimmSpeedMinimize Heat Soak with the ALL NEW Turbo Heat Shield! The turbocharger is one of the hottest components in your engine bay and can have some real...
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GrimmSpeed Wastegate Bracket - LGT VF Series
GrimmSpeedThe internal wastegate(IWG) bracket is used in place of the stock wastegate actuator when moving to an external wastegate setup. In the previous ye...
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HEL Braided Brake Line Kit - 08-15 WRX
HEL PerformanceHEL Brake Lines eliminate the risk of unreliable brakes, giving you premium quality brake performance at the same time. Incredible value for money...
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HKS / Blitz / Apexi / Stri 02-07 WRX/STi TT FT-3 Harness
HKS*sold individually*HKS / Blitz / Apexi / Stri 02-07 WRX/STi TT FT-3 Harness
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HKS / Blitz / Apexi / Stri 08+ WRX/STi TT Harness FT-6
HKS*sold individually*HKS / Blitz / Apexi / Stri 08+ WRX/STi TT Harness FT-6
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HKS 02-07 WRX / 04-07 STi Carbon Ti Exhaust
HKS*sold individually*HKS 02-07 WRX / 04-07 STi Carbon Ti Exhaust
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HKS 02-07 WRX / 04-07 STi Hiper Exhaust
HKS*sold individually*HKS 02-07 WRX / 04-07 STi Hiper Exhaust
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HKS 02-07 WRX / 04-07 STi Sport Exhaust
HKS*sold individually*HKS 02-07 WRX / 04-07 STi Sport Exhaust
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HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit
HKS*sold individually*HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit
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HKS 02-08 WRX / 04-08 STi EJ20/25 Upgraded Timing Belt
HKS*sold individually* HKS 02-08 WRX / 04-08 STi EJ20/25 Upgraded Timing Belt
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HKS 05-06 Subaru Impreza WRX STi Light Action Single Plate Clutch Kit
HKS*sold individually*Single Plate Clutch Kit that includes Clutch Disc, Cover, Flywheel for up to 450ps. "MG Composite Disc" eliminates uncomfortable...
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HKS 08 Subaru Impreza WRX STi SSQV Recirculation Kit for hks71007-AF013
HKS*sold individually*HKS 08 Subaru Impreza WRX STi SSQV Recirculation Kit for hks71007-AF013
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HKS 08-11 Subaru WRX / STI Drop-In Super Hybrid Filter
HKS*sold individually* Dimension: Stock air element part # 16546-AA090 16546-AA120 Replacement filter M2 size (70017-AK104) Package size...
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HKS 11 Subaru Impreza WRX/STi Sedan SUS304 ES Premium Exhaust
HKS*sold individually*HKS 11 Subaru Impreza WRX/STi Sedan SUS304 ES Premium Exhaust
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HKS EJ25 SUH 409 Turbo Exhaust Manifold
HKS*sold individually* You can have the great performance and great muffler sound of the isometric layout by changing exhaust manifold only with ...
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HKS Hi-Power Muffler WRX STI/WRX 2015 US
HKS*sold individually* HKS Hi-Power Muffler WRX STI/WRX 2015 US
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HKS Legamax Premium WRX STI/WRX 2015 US
HKS*sold individually*About HKS muffler: About center pipe Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer ...
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HKS Max 4 SP WRX STI Full Kit
HKS*sold individually*HKS Max 4 SP WRX STI Full Kit
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HKS Racing Muffler WRX STI Sedan 11-14 USA
HKS*sold individually*HKS Racing Muffler WRX STI Sedan 11-14 USACert. No. Vehicle IMPREZA Model GV Engine EJ25(TURBO) Model Year 07/** -...
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HKS SPF BE5/BH5 (D) EJ208 GDB (A/B) EJ207
HKS*sold individually* Features: The pickup will be better before and after the intercept so the mid RPM range response is good and start smoothly....
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HKS STi Uppipe
HKS*sold individually*HKS 02-08 WRX / 04-07 STi Uppipe
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HKS Super Turbo Muffler Ti Subaru VAB WRX STI/VAG WRX S4
HKS*sold individually*HKS Super Turbo Muffler Ti Subaru VAB WRX STI/VAG WRX S4
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Injector Dynamics ID1050X Injectors Bottom Adaptors 11mm (Red) Adaptors (Set of 4) Subaru WRX (02-14) / STi (07-17)
Injector DynamicsThe ID1050x is the evolution of the ID1000, and the latest addition to the X-Series. It is the most recent offering from the partnership of Injecto...
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Invidia 02+ WRX/STi 76mm G200 Titanium Tip Cat-back Exhaust
InvidiaIf performance is what you are seeking, the Invidia G200 Exhaust Delivers. Each G200 Exhaust features a super-strength titanium tip with an expa...
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Invidia 02-07 WRX/STi 76mm N1 RACING Stainless Steel Tip Cat-back Exhaust
InvidiaFor a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exh...
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Invidia 02-07 WRX/STi 76mm N1 RACING Titanium Tip Cat-back Exhaust
InvidiaFor a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exh...
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