Perrin Air Oil Separator (Neon Yellow) - Subaru STI VA Fitment:Top Mount Intercooler The Apex Power Intake filter

The Apex Power Intake filter element is engineered to minimize air flow restrictions without compromising its ability to filter contaminants from the induction air stream

full 3” straight-through design

sufficiently-thick ribbed plate is used for knuckle bracket to maintain high rigidity

Includes circlip

Perrin Air Oil Separator (Neon Yellow) - Subaru STI VA Fitment:Top Mount Intercooler The Apex Power Intake filterThe 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.