Perrin Air Oil Separator (Neon Yellow) - Subaru STI VA Fitment:Top Mount Intercooler Cast Aluminum end tanks flow

Cast Aluminum end tanks flow nicely into a 2

The VF enables the driver to operate the clutch through an easy-to-feel half engagement thanks to the Ultra Fiber friction material all while having a high heat dissipation and torque capacity due to the integrated metal facing

while in the case of higher damper speeds

full 3” straight-through design

Final assembly of shock absorbers is done in the clean room

Perrin Air Oil Separator (Neon Yellow) - Subaru STI VA Fitment:Top Mount Intercooler Cast Aluminum end tanks flowThe 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.