IAG Street Series Air / Oil Separator (AOS) 2006-07 Subaru Impreza WRX & 2004-07 STI

  • The IAG Performance Street Series billet aluminum Air / Oil separator (AOS) vents crankcase gasses back to the turbo inlet. The design is based on years of service on racing and high horsepower Subaru's. The AOS's approximate 1-liter capacity, fully heated housing, superior breathing and unique patent pending baffle design sets it apart from the rest.


    Fits all 2006-2007 WRX and 2004-2007 STI.


  • SKU#: 10734, 10735

    Shipping Weight: 7.0 lb

    Manufacturer: IAG

    Category: Engine Miscellaneous