Turbosmart Kompact BOV Blow Off Valve Dual PortTurbosmarts Kompact valve kit has been developed as a direct plug and play solution for the Suzuki Swift Sport, Vitara S, Vitara Sport and SX4 S Cross. The Kompact holds boost in better than the factory valves, and can never be overcome by boost. The result is more efficient performance from the factory turbochargers, as well as the crisp sound of a piston style BOV. For those who want blow off valve sound, the Dual Port both vents to atmosphere as