Perrin Air Oil Separator for TMIC Red WRX / STI (2002-2007) Mitsubishi These unique spacers contain an

These unique spacers contain an actual catalyst substrate in the threaded body portion that wards off the evil check engine light for catalyst efficiency

The PERRIN front mount intercooler kit includes a PERRIN Performance coolant overflow tank

DTT allows the use two different materials (stainless steel and aluminum) without having problems with the different expansion rates of such metals

street performance or motorsport vehicle and guarantees a quality

Perrin Air Oil Separator for TMIC Red WRX / STI (2002-2007) Mitsubishi These unique spacers contain anPerrin 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