Perrin - Subaru 15-21 WRX - Air Oil Separator Kit (Wrinkle Red) subaru-baja-turbo-2004 after all of these years

after all of these years of losing tools

Why not invest in the COBB Shifter Bushing Pack

PRO-KIT + ANTI-ROLL-KIT = PRO-PLUS

The COBB Tuning 3-Port BCS features 1/8" low-profile barb fittings to keep the unit compact and are nickel coated for corrosion resistance

1/4" Nickel Plated Barbed Fittings

Perrin - Subaru 15-21 WRX - Air Oil Separator Kit (Wrinkle Red) subaru-baja-turbo-2004 after all of these yearsOVERVIEW The PERRIN Air Oil Separator traps oil from the crankcase vents before it enters the intake, reduces carbon build up, increases intercooler efficiency, which reduces the chance of performance robbing detonation. NO TUNING REQUIRED Increase horsepower and torque without ECU recalibration or tune! This part is designed and tested to work safely on your vehicle without any tuning required! However, more power can be gained with proper ECU