Engine Mods

The COBB TMIC Coupler replaces the leak-prone factory hose and looks good while doing so! Over time the factory hoses become brittle and crack. T...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015-2021 Subaru WRX Front Mount Intercooler...

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

This is handmade here in the USA at Extreme Turbo Systems. This will bolt up with a 3.0"-4.0" ETS intercooler and requires no additional trimming o...

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 ...

Ditch the dainty OEM plastic charge pipe for the all new ETS Stainless Steel Charge Pipe for the 2022+ Subaru WRX! The OEM Charge Pipe is reduced a...

Designed for the MY15+ FA20DIT WRX the Process West ‘DITTO’ (Direct Injection Tubular Original) compromises a mix of billet plenum and cast large b...

ETS 2022+ Subaru WRX Front Mount Intercooler Piping Kit Only The ETS intercooler piping kit uses 2.5" OD 304 Stainless Steel tubing. The piping is ...

DESCRIPTION The Process West Intercooler Khanacooler is a direct-fit top-mounted intercooler solution for the 2015–2021 Subaru WRX that combines OE...

Description Replace your unsightly factory radiator hoses with the COBB Tuning Silicone Radiator Hoses. Constructed of 3-ply reinforced silicone,...

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 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 ...

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

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...

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...

DESCRIPTION This kit is designed to help increase the cooling to the #4 cylinder on the Subaru EJ series engines. This hose kit connects to an exis...

DESCRIPTION Torque Solution Cylinder 4 Coolant Mod for Subaru EJ Engines was designed to increase coolant flow to cylinder #4 head area. The additi...

DESCRIPTION The Grimmspeed Top Mount Intercooler Y-Pipe Kit has been designed to work with factory or aftermarket top mount intercoolers. This is a...

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