Turbosmart Plumb Back BOV Black WRX (2002-2007) STI (2004-2014) BMW Call them whatever

Call them whatever

The kits listed below are available as a complete clutch kit or a clutch and 13

Injen has seen gains of over 7 HP and 7 ft/lbs of torque

but the placement of it to maximize the cooling efficiency

2007 E9X 328i

Turbosmart Plumb Back BOV Black WRX (2002-2007) STI (2004-2014) BMW Call them whateverThe Plumb Back for the Subaru WRX STI Forester is a high performance fully recirculating BOV, all released pressure is vented back into the intake system. Ideal for cars with sensitive AF meter systems and off road applications as the fully sealed design of the Plumb Back prevents any foreign matter from entering the system. This plumb back comes with a Subaru flange making installation easy on your Subaru WRX STI. FITMENT: Subaru STI 2004 2014 Subaru