Perrin Air Oil Separator for TMIC Red WRX (2008-2014) STI (2008-2018) Scion - Includes alignment tool

- Includes alignment tool

or who likes to participate in the casual canyon cruise

SPEC's Stage 2+ features a multi-friction disc in a full faced configuration with carbon semi-metallic on one side and Kevlar on the other

- Recommended for high horsepower street or race use

improves acceleration and increases throttle response

Perrin Air Oil Separator for TMIC Red WRX (2008-2014) STI (2008-2018) Scion - Includes alignment toolPerrin Air Oil Separators for the WRX STI are a great product if you want to increase your intercooler efficiency and stopping oil from entering the intake. By reducing the amount of oil that is entering the intercooler and intake system you will have a cleaner more efficient motor and less engine damaging detonation. The Air Oil separator is a great item to have on highly used daily driven cars or complete race cars. Black or red the AOS are a clean