Perrin - Subaru 15-21 WRX - Air Oil Separator Kit (Neon Yellow) subaru-forester-2003 which is precision CNC mandrel

which is precision CNC mandrel bent

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

2000-2004 Subaru Legacy 2

BOV5 Dual Port BOV

Tip Material: Titanium

Perrin - Subaru 15-21 WRX - Air Oil Separator Kit (Neon Yellow) subaru-forester-2003 which is precision CNC mandrelOVERVIEW 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