Perrin Performance Air Oil Separator Kit for WRX/STI w/FMIC's Red Wrinkle Finish


Product type: Catch Cans & AOS

Vendor: Perrin Performance

Tags: 08-14 STI, 08-14 WRX


The PERRIN Air Oil Separator traps oil from the crank case vents before it enters the intake, reduces carbon build-up, increases intercooler efficiency, which reduces the chance of performance-robbing detonation.