Perrin Air Oil Separator for TMIC Black WRX (2008-2014) STI (2008-2018) BMW R59 2012-up Roadster Cooper S

R59 2012-up Roadster Cooper S and JCW

MagnaFlow - WRX/STI (06-07) # 16835 - 3

Also available with the EWG Up-Pipe package

The "Standard" version sacrifices some comfort for reduced deflection and increased noise

200 cell high-flow EURO 6 compliant HJS catalyst

Perrin Air Oil Separator for TMIC Black WRX (2008-2014) STI (2008-2018) BMW R59 2012-up Roadster Cooper SPerrin 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