GrimmSpeed Air Oil Separator Red - Subaru Turbo 02-07 WRX/ 04+STI/04-08 FXT (078006R) 17385 The computer numerical control (CNC)

The computer numerical control (CNC) formed pipes ensure the best possible flow for horsepower and torque

heat shields are laser cut

The painted version arrives ready to install

drivers can easily switch between the quiet mode and a sportier sound

2 Description_ASM Front Greenstuff 7000 Street sport FMSI D369 89 thru 2002 CHEVROLET Astro Van 4WD 4

GrimmSpeed Air Oil Separator Red - Subaru Turbo 02-07 WRX/ 04+STI/04-08 FXT (078006R) 17385 The computer numerical control (CNC)An Air Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. The GrimmSpeed Air Oil Separator for Subaru vehicles has a unique design that allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! Our AOS will allow your engine to run more efficiently due to the separation of oil from the intake system. When there is oil