Perrin Air Oil Separator (Black) - Subaru STI VA Kics Racing These two upgrades will allow

These two upgrades will allow you to take full advanate of flow of your 3" Supreme SP exhaust

No matter where in the world

SuperPro has spent years researching ways to use polyurethane

No Tuning Required

CNC machined from 6061 T6 Aluminum our pulley makes no compromise

Perrin Air Oil Separator (Black) - Subaru STI VA Kics Racing These two upgrades will allowThe 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. Please select which intercooler you will be using this with.