Perrin Cold Air Intake - Neon Yellow - 15-21 Subaru WRX - PSP-INT-325NY LSD Oil; Additives; and Accessories The Dual Port Bov5 provide

The Dual Port Bov5 provide factoru ECU and Airflow meter sensor friendly recirculion of air under light throttle and boost while the vent-to-atmosphere trumpet can flow huge amounts of air under big power and boost via our staged venting strategy

You won't be breaking this housing

With Turbosmart’s innovative engineering solutions

Bleeder Cap

Perrin Cold Air Intake - Neon Yellow - 15-21 Subaru WRX - PSP-INT-325NY LSD Oil; Additives; and Accessories The Dual Port Bov5 provideIncrease horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining proper air fuel ratios and preventing check engine lights that plague competitors. NOTE: This intake system requires no tuning to operate properly and safely! However, if you choose to add an upgraded downpipe or tune, you must choose a tune that is specific to either the PERRIN or AEM