A full atmospheric blow off valve for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous "supersonic" sound.
Featuring a tool-free adjustment via a rotating cap and a positive-seal piston this is Turbosmart loudest blow off valve. Suitable for all turbocharged vehicles. Extremely popular with racers and show-car builders world-wide. Supplied with quick release, v-band clamp and weld flange.
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