GrimmSpeed Black Air / Oil Separator Subaru WRX 02-07 / STI 04-21 / Forester XT 04-08 | 078006 vendor_NGK Plugs Green Powder Coat Finish

Green Powder Coat Finish

Depending on the amount of fill plate accessories

right here in the United States and all mounting hardware is included

keeping you and your family safe

In addition to the mouting holes provided for standard bolt-on installation

GrimmSpeed Black Air / Oil Separator Subaru WRX 02-07 / STI 04-21 / Forester XT 04-08 | 078006 vendor_NGK Plugs Green Powder Coat FinishFitment 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