Perrin Air Oil Separator for TMIC Black WRX / STI (2002-2007) BMW All of AEM's intake brackets

All of AEM's intake brackets and fittings are tig-welded for strength and perfect fitment

Sound waves

so finding a perfect balance requires a detailed understanding of the intended application

(1) x 5/16" 90 degree Hose Fitting

5L with more power

Perrin Air Oil Separator for TMIC Black WRX / STI (2002-2007) BMW All of AEM's intake bracketsPerrin 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