Perrin - Subaru 04-14 STI - FMIC Air Oil Separator (Black) BF2025 especially for those interested in

especially for those interested in racing their 2015 WRX or even towing a small trailer

The Redline Carbon Fiber intake is compatible with existing COBB Off The Shelf Maps that support the standard SF Intake

(1) Application-Specific Oil Sandwich Plate

These end tanks are precision cast and machined right here in Minnesota

Perrin - Subaru 04-14 STI - FMIC Air Oil Separator (Black) BF2025 especially for those interested inOVERVIEW 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