Subaru STI Engine Parts

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...

INCREASED CAPACITY The IAG Performance EJ Street Series Oil Pan for the Subaru WRX, STI, LGT and FXT is uniquely designed and CNC machined to suit ...

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...

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

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

This piping kit is used to convert your stock turbo ETS FMIC kit to work with the ETS rotated turbo kit. This kit won't work on any o...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

Dress Up Bolts Titanium Hardware kit for the Subaru WRX/STI engine bay looks great and delivers a durable replacement option to prevent bolt/nut fa...

THE IAG V3 TOP FEED FUEL RAILS The IAG V3 Top Feed Fuel Rails are designed to increase the power ceiling on your Subaru’s fuel system. These fue...

INCREASED OIL FLOW VOLUME AND PRESSURE The 11mm Subaru Oil pump is one of the most popular off the shelf pumps to use on EJ25 engines. Originally e...

AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM ...

This is a quality and durable gasket that will provide your vehicle with a durable seal to maintain the performance of your vehicle. Here are the d...

This is a quality and durable gasket that will provide your vehicle with a durable seal to maintain the performance of your vehicle. Here are the d...

Turbochargers work on the basis of heat energy and keeping the turbo as hot as possible. By containing as much heat as possible within the turbine ...

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...

Higher Flow with Excellent Filtration | Overtake Maxx Flo Panel Filters Experience next-level engine performance with the Overtake MaxxFlo Intake P...