IAG Street Air Oil Separator AOS Subaru WRX 08-14 / STI 08-21 / Forester XT 09-13 | IAG-ENG-7181RD

Fitment Information: 2008-2014 Subaru WRX 2008-2021 Subaru STI 2005-2009 Subaru Legacy GT 2009-2013 Subaru Forester XT Features: The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street Series AOS maintains OEM PCV system functionality, but supplements its capacity. The Street Series AOS design is based on years of extensive testing on standard and competition applications. The Street Series AOS' large, 1-liter, cast aluminum swirl pot canister more effectively separates oil from the PCV system upstream of PCV gasses return to the intake system. The Street Series AOS' fully-heated cast aluminum housing, superior venting, and unique, patent pending, baffle design set it apart from the rest. The Street Series AOS is compatible with all fuel types, extends engine life, improves crankcase ventilation and is compatible with standard ECU calibrations.Keeping Oil OutKeeping oil out of the engine intake tract