Engine Mods

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 ...

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

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 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 The Redline Carbon Fiber Intake seamlessly blends performance and aesthetics to bring the ultimate intake for your 2015-2021 WRX...

AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give...

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

OVERTAKE Post MAF Hose Kit for the 2015-21 WRX | Improve Airflow & Boost Performance Maximize airflow and increase engine performance with the ...

What if the air getting to your turbo was actually flowing smoothly? Your factory post-MAF hose is a wrinkled rubber accordion that disrupts airflo...

What if the air getting to your turbo was actually flowing smoothly? Your factory post-MAF hose is a wrinkled rubber accordion that disrupts airflo...

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 ...

The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle’s restrictive factory air filter...

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 ...