Perrin Air Oil Separator for FMIC Black WRX (2002-2014) STI (2004-2018) Honda Great Sound -Has A Smooth

Great Sound -Has A Smooth

These LED tail lights are made with high quality materials to ensure appearance

Every Invidia LGT downpipe features 3" diameter stainless steel piping for maximum flow and 1/2" thick flanges for added strength

remapping the ECU is recommended to avoid check engine light warning

The OEM TMIC does just fine at stock boost under normal use

Perrin Air Oil Separator for FMIC Black WRX (2002-2014) STI (2004-2018) Honda Great Sound -Has A SmoothPerrin 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