Perrin 02-07 Subaru WRX/STI Red Air Oil Seperator - paPSP-ENG-605RD import_2022_03_21_012537 400mm) Max Std Tunnel Size

400mm) Max Std Tunnel Size : 2

-cc Tonneau Covers::Bed Covers - Roll Up 2009-2010 Dodge Dakota Big Horn V8

980mm) Oil Clearance : Standard Max Std Shaft Size : 1

443mm) Max Std Shaft Size : 2

5328cc Tonneau Covers::Bed Covers - Roll Up 1999-2004 GMC Sierra 2500 SLT V8

Perrin 02-07 Subaru WRX/STI Red Air Oil Seperator - paPSP-ENG-605RD import_2022_03_21_012537 400mm) Max Std Tunnel SizeThe 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