GrimmSpeed Red Air / Oil Separator Subaru WRX 2008-2014 / Legacy GT 2005-2009 | 078016R 150 Part #:14411AA5729L

Part #:14411AA5729L

Part Number: MMRAD-WRX-01X

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Part #: 22076BKC

GrimmSpeed Red Air / Oil Separator Subaru WRX 2008-2014 / Legacy GT 2005-2009 | 078016R 150 Part #:14411AA5729LFitment Information: 2008 2014 Subaru WRX 2005 2009 Subaru Legacy GT 2009 2013 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