PERRIN Air Oil Separator (AOS) TMIC Red 2008-2014 WRX 2008-2021 STI

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Quick Overview

NOT CARB LEGAL, No Shipping To California

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.

- 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
- Top Mount Intercoolers ONLY

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

2008-2014 WRX
2008-2014 STI
2015-2021 STI

More Information
ManufacturerPerrin Performance
InventoryIn Stock


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