Perrin 08-14 Subaru WRX/STI Black Air Oil Seperator - paPSP-ENG-606BK import_2022_03_21_012537 001mm) Oil Clearance : Standard

001mm) Oil Clearance : Standard Size :

-cc Tonneau Covers::Bed Covers - Roll Up 1975-1981 Chevrolet C10 Cheyenne V8

5967cc Tonneau Covers::Bed Covers - Roll Up 2001-2003 GMC Sierra 1500 HD SLT V8

2458cc Engine Components::Hardware - Singles 2006-2007 Subaru Impreza WRX TR H4

and manufactured by H&R Special Springs in Germany

Perrin 08-14 Subaru WRX/STI Black Air Oil Seperator - paPSP-ENG-606BK import_2022_03_21_012537 001mm) Oil Clearance : StandardThe PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing intercooler efficiency and reduces chances of performance robbing detonation. *Increase Intercooler Efficiency* The AOS increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system! As blow by oil builds up inside your intercooler, the less efficient it becomes due to less heat