Perrin Air Oil Separator for TMIC Black WRX (2008-2014) STI (2008-2018) BMW Also available with the EWG

Also available with the EWG Up-Pipe package

you will want to reduce the chassis flex and increase the rigidity of your car

and eliminates the "double-clunk" when shifting gears into 2nd

MagnaFlow - WRX/STI (06-07) # 16835 - 3

By adding a significantly a stiffer rear sway bar

Perrin Air Oil Separator for TMIC Black WRX (2008-2014) STI (2008-2018) BMW Also available with the EWGPerrin 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