Subaru STI Engine Parts

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

THE IAG VA FENDER COVERS Transform your Subaru’s engine bay with the IAG VA Fender Shrouds. Designed specifically for the 2015-2021 WRX and S...

Overtake Hi-Lift Hood Struts for VA WRX/STI & VB WRX – The Ultimate Upgrade! If you're looking for improved access and visibility in your engin...

DESCRIPTION Lightweight Batteries are an excellent and inexpensive way to remove weight from your Subaru, which has an OEM battery tipping the scal...

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 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...

DESCRIPTION The GrimmSpeed Front Strut Bar for the 2015-2021 Subaru WRX/STI blends precision engineering with clean aesthetics to deliver serious p...

DESCRIPTION The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the p...

DESCRIPTION Driveline mounts/bushings are installed to provide the driver with improved feel/response from the engine, driveline, and steering comp...

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 ...

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

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

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 th...

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 th...

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

GREATER OIL CAPACITY The IAG Performance EJ Competition Series Oil Pan features precision CNC machining and an advanced design for superior perform...

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

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

SPECS: Tuned and dyno-tested to improve acceleration and engine sound Low restriction aluminum intake pipe Intake pipe will come powder-coated a w...

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...