GrimmSpeed Black Air / Oil Separator Subaru WRX 02-07 / STI 04-21 / Forester XT 04-08 | 078006 Muffler Delete Pipes Matte Black and Machined Silver

Matte Black and Machined Silver are standard finish options that bring focus to the intricacy of the design

-Satin chrome finished body

Constructed with premium materials—including pre-dyed synthetic media

Part #: WGCR635MG2

(4) 2914 Control Arm Bushing

GrimmSpeed Black Air / Oil Separator Subaru WRX 02-07 / STI 04-21 / Forester XT 04-08 | 078006 Muffler Delete Pipes Matte Black and Machined SilverFitment Information: 2002 2007 Subaru WRX 2004 2021 Subaru STI 2004 2008 Subaru Forester XT Features: An Air Oil Separator has one job: remove the oil from the engine ventilation system so that the oil doesn't get sent through the intake system. When there is oil in your system, it results in reduced fuel octane, higher chance of engine knock (detonation), worse emissions, and higher oil consumption. The GrimmSpeed Air Oil Separator has a unique