2002-2007 WRX/STI

TRANSFORM YOUR ENGINE BAY Get rid of the unattractive OEM yellow cap and upgrade your engine bay with the IAG Revolve Coolant Reservoir Cap. ...

DESIGNED FOR COMFORT Designed to fit 2002-2025 WRX, 2004-2021 STI, 2004-2011 FXT and 2005-2009 LGT Subaru models, the IAG Comfort Series Pitc...

Give That Engine Bay More Light | Give Yourself More Room At some point or another, we have all gotten frustrated with the factory Subaru hood prop...

Overtake Pitch Stop Mount | Enhanced Engine Stability and Performance Upgrade your Subaru's engine stability with the OVERTAKE Pitch Stop Mount. Th...

PROTECTION FOR YOUR ENGINE The IAG Air / Oil Separator (AOS) is a smart upgrade for your Subaru. Developed through years of testing o...

PROTECTION FOR YOUR ENGINE The IAG Air / Oil Separator (AOS) is a smart upgrade for your Subaru. Developed through years of testing o...

DESCRIPTION Upgrade your EJ engine bay with the GrimmSpeed Titanium Alternator Shroud for the 2002–2014 WRX and 2004–2021 STI. Designed for enthusi...

DESCRIPTION These 2150cc Fuel Injector Clinic Top Feed Converted Injectors are built for the 2004-2006 STI running original tumblers with the FIC t...

DESCRIPTION These Fuel Injector Clinic 650cc Top Feed Injectors are built for the 2002-2014 WRX and 2007-2021 STI, offering a dependable increase i...

DESCRIPTION The Verus Engineering Pitch Stop Mount for the 2002+ Subaru WRX and 2004–2021 STI is designed to reduce engine movement and deliver a m...

Stay Ahead Of Your Competition With The AMS Subaru WRX / STI Intake Manifold! The AMS Subaru Intake Manifold was designed to outperform the competi...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

This is the same Coolant Overflow Tank + Washer Reservoir filler combo that is included with our 2004-2007 WRX and STI Front Mount Intercooler Ki...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

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 ...

DESCRIPTION The Injector Dynamics ID2600-XDS fuel injectors are a top-feed, high-flow injector set built for extreme fuel demand—big turbo, high bo...

DESCRIPTION The OEM timing belt guides are thin, flimsy, and only have a small range of adjustment. The Faction Fab Timing Belt Guide is made of st...

DESCRIPTION The Blouch Dominator 2.5XT-R Ball Bearing Turbocharger is a stock-location upgrade for WRX/STI owners who want a turbo that hit...

Oil supply line and gasket set included! FP Red Compressor wheel - HTZ 79 Flow rating - 65LB per minute CW Measurements - 57.3MM Inducer / 79MM Ex...

DESCRIPTION This is the GrimmSpeed Radiator Hose Kit. These radiator hoses feature multi-layer silicone construction that is built to last while im...

OVERTAKE Downpipe Hardware Kit | Ditch your rusted hardware! If you've ever removed the downpipe from your Subaru, you know that the hardware can g...