Blitz 70110 Super Sound VD Blow Off Valve Kit : S13 SR20DET

Blitz BOV Kit for S13 SR20DET replace the factory's middle section hot pipe. The purpose is to protect the turbo from compressor surge which is caused by intake charge air forcing itself back into the turbo when the throttle plate is closed. Having a BOV kit will increase the life of your turbocharger, provides better turbo spooling response between gear shifts and the infamous 'blow off woosh noise'.