IAG V3 Street Series Air/Oil Separator | 2006-2007 Subaru WRX and 2004-2007 Subaru WRX STI (IAG-ENG-7180)

2006-2007 Subaru WRX and 2004-2007 Subaru WRX STI V3 Street Series Air/Oil Separator by IAG Performance 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 out of the engine intake tract is extremely important towards prev