Perrin Air Oil Separator for FMIC Red WRX (2002-2014) STI (2004-2018) Volkswagen AEM strut tower bar for

AEM strut tower bar for the the Scion FR-S

Thanks to their unique

fabrication are straight out of the USA

Rubber inserts keep the noise at a minimum

The bearings in the Perrin WRX

Perrin Air Oil Separator for FMIC Red WRX (2002-2014) STI (2004-2018) Volkswagen AEM strut tower bar forPerrin 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