Engine Mods

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...

DESCRIPTION This top-of-the-line intercooler boasts a range of innovative features, including a CNC milled billet aluminum construction and a sleek...

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

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

IAG PTFE FLEX FUEL SYSTEM KIT W/ AEROMOTIVE FPR, IAG FUEL RAILS FOR 08-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY When designing ...

IAG PTFE FUEL SYSTEM KIT W/ ID INJECTORS, AEROMOTIVE FPR, IAG FUEL RAILS FOR 2008-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY Whe...

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 ...

Tired of heat soak? We don't blame you!   It's time to upgrade to an intercooler that is designed specifically for the 2022+ WRX with performance i...

Disclaimer: Photos are for illustrative purposes only, the actual product may differ slightly. DESCRIPTION The Blouch Dominator 3.0G2-R Ball Bearin...

Draw from our success of the PLM strut tower bar for Honda models, we are pleased to offer our strut tower brace for Subaru WRX & STI. Made fr...

The ETS Subaru STI Turbo Kit is one of the most complete kits on the market utilizing optimal intercooler pipe routing and a larger ported s-cover ...

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...

The ETS Turbo Kit is the best kit on the market. Featuring Precision Turbo ball bearing turbos, dual Tial 38mm wastegates, and all other necessary ...

Mishimoto's silicone radiator hose kit for the Subaru WRX/STI is made with a dual layer combining high-grade silicone and heat-resistant embedded f...

The AirShields are constructed out of industrial grade CNC metal including the mesh itself for durability our signature honeycomb pattern. The fram...

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...

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...

Overtake Brake Reservoir Sock - Prevent Leaks, Protect Your Vehicle, and Enhance Your Engine Bay Elevate your engine bay's appearance and protect y...