Perrin Air Oil Separator for FMIC Red WRX (2002-2014) STI (2004-2018) Mitsubishi Built To Last

Built To Last

and feature a replaceable 1045 high-carbon steel friction plate with AN military-grade fasteners and a hardened 1050 ring gear

Core Thickness: 2"

and will not add any additional vibration or noise

The Invidia Q300 catback exhaust system for the Honda Civic Si sounds as good as it looks

Perrin Air Oil Separator for FMIC Red WRX (2002-2014) STI (2004-2018) Mitsubishi Built To LastPerrin 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