Perrin Air Oil Separator for TMIC Black WRX (2008-2014) STI (2008-2018) Mitsubishi 5L with more power

5L with more power

Machined Flange Faces and Internal Bores

you can return to stock at any time

this elegantly finished exhaust has a racing sound that any BMW driver desires

and even tire wear

Perrin Air Oil Separator for TMIC Black WRX (2008-2014) STI (2008-2018) Mitsubishi 5L with more powerPerrin 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