Turbosmart Blue Plumb Back Blow Off Valve Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2006-2008 vendor_Hotchkis additional fuel is required for

additional fuel is required for the engine to operate properly and make maximum power

This significantly increases cooling surface area and efficiency

allowing the suspension to work more effectively under load

Part: # MMOCC-CF

All Eibach springs come with an unbeatable Million Mile Warranty

Turbosmart Blue Plumb Back Blow Off Valve Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2006-2008 vendor_Hotchkis additional fuel is required forPart #: TS 0205 1215 The Plumb Back 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.