Cobb Air Oil Separator Subaru WRX 2002-2007 / STI 2004-2007 | 811615 ships-from-manu Choose the kit that best

Choose the kit that best suits your needs below

all Cusco roll cages will require cutting of the dashboard for installation

and even the 'banana arm'

250% increase in torque capactiy

• Street and track torture tested

Cobb Air Oil Separator Subaru WRX 2002-2007 / STI 2004-2007 | 811615 ships-from-manu Choose the kit that bestFitment Information: 2002 2007 Subaru WRX 2004 2007 Subaru STI 2004 2008 Subaru Forester XT The COBB Subaru Air Oil Separator helps to prevent crankcase oil vapors from recirculating back through your engine's intake system. Oil vapors passing through your engine's intake system lower the effective octane rating of fuel and can contribute to both oil and carbon buildup over time. Features: 1 Liter Holding Capacity Integrated ORB Ports Compact Cast