BOV Supersonic Uni - Blue Tune Smart Port trumpet eliminates stalling

Smart Port trumpet eliminates stalling and allows smooth integration with the car’s factory engine mapping

The standard valves are often not up to eliminating damaging compressor surge

this blanking plug is the perfect solution

Upgrade your existing Type 5 BOV to our new SmartPort spec with this simple kit

BOV Supersonic Uni - Blue Tune Smart Port trumpet eliminates stallingA full atmospheric BOV 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 BOV.