Featuring a return hose for hi-flowing Plumb Back Performance and a direct fit Billet Aluminium Valve utilizing a 38mm / 1

V-Band clamp

The IWG-75's high-quality billet aluminium construction and reinforced silicone diaphragm means that it will keep control even when you turn the boost up

This kit does not fit to BMW M2 F87 chassis

the Mercedes’ standard bypass valves are plastic units that bleed boost and struggle to cope with the pressure

Smart Port BOV - Black Others Featuring a return hose forOur latest Type 5 Dual Port BOV made specifically for the 2015 WRX features the innovative new Smart Port drive by wire friendly staging technology that gives you the response of a plumb back valve, with the high performance benefits of a vent to atmosphere valve. The Smart Port system involves a new piston manufacturing process utilizing specialized alloys and coatings, along with a revolutionary new vent to atmosphere trumpet design. These new