2015-2021 Subaru WRX Engine

Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of course perfor...

Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of course perfor...

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 ...

Our intake system utilizes a stock size MAF housing that doesn't require any retuning. You can bolt this on and notice immediate performance gains!...

PLM Cold Air Intake with Heat ShieldVehicle Applications: 2015 - 2019 Subaru WRX Fits only US Market WRX due to different variations in body panel...

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...

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 ...

In-house Dyno testing resulted in max gains of 28 HP and 32 lbs. x ft. of torque Outflows factory intake CAD-Designed Roto-Molded Red Intake Scoop...

In-house Dyno testing resulted in max gains of 28 HP and 32 lbs. x ft. of torque Outflows factory intake by 131% CAD-Designed Roto-Molded Red Inta...

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