Perrin Performance Air Oil Separator (AOS) TMIC Black 2002-2007 WRX / STI

Description:
The PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing intercooler efficiency and reduces chances of performance-robbing detonation.

Description:
- Traps oil from the crankcase ventilation before it enters the intake system
- Reduces the chances of detonation
- Increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system
- Reduces carbon buildup in the combustion chamber, intake valves, and intake tract
- NOT a catch can system
- Separates engine oil from water vapors and allows the oil to drain back into the engine
- Oil entering from the crankcase vents spins counterclockwise through the entire body of the AOS that passes along 4 walls equalling 50.25 square inches of surface area
- Multiple baffle walls in the compact design simulate the surface area of an AOS that is 13.5" tall
- Comes provided with all necessary hoses and hose fittings
- Can comes with a wrinkle powder-coated finish

Includes:
- 1 PERRIN Air Oil Separator
- 1 Car Specific Bracket
- All Necessary Hardware
- Instructions
- 1 PERRIN License Plate Frame
- Stickers
- Not CARB legal

Top Mount Intercoolers Applications:
2002-2007 WRX
2004-2007 STI