Description Turbosmart Supersonic Blow-Off Valves Superior flow performance and supersonic sound are yours with Turbosmart’s Supersonic blow-off valves! Suitable for all turbocharged vehicles, these full atmospheric BOVs are designed for racers and serious enthusiasts who want to be noticed. They feature tool-free adjustment via a rotating cap and a positive-seal piston. Supersonic blow-off valves are the loudest BOVs in Turbosmart’s lineup. Adjustable: Yes Aluminum Flange Included: Yes Steel Flange Included: No Blow-Off Valve Material: Aluminum Blow-Off Valve Finish: Black anodized
