2015-2021 Subaru STI

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 ...

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 ...

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 ...

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

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

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

You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought of as a hybrid of the tube a...

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 ...

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 ...