Air Oil Separator Kit for 02-07 WRX/STI Black Wrinkle Finish

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Air Oil Separator Kit for 02-07 WRX/STI Black Wrinkle FinishPSP ENG 605BK OVERVIEW The 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. NOT A CATCH CAN The PERRIN Air Oil Separator is not a catch can. Catch cans capture engine blow by and stores it in a container, which requires constant attention and removal of oil every few hundred miles. The air oil

signature AWE experience: civil within the cabin while cruising

compared to an air intake that draws air from the hot engine bay

much the same as a radiator cools the water inside the engine

2012 Subaru Impreza STi Hatch MT USDM

By offering multiple mounting points

The OEM Subaru pitch stop brackets fail over time

R is for Rumble

Combining the world's best selling

50-state emissions-compliant dual 3” catback exhausts

Five-ply silicone couplers and stainless steel t-bolt clamps are used throughout to further ensure reliable

temperature sensors

the S-FLO Carbon Cover