BLOW OFF TurboWorks 4506D Silver CN-BO-019

BOV boost pressure relief valve AMAZING SOUND EFFECT !!! It protects your turbo !!! The standard DV valve forces the air into the circulation, while the Blow Off valve - the atmospheric valve lets the air out, which protects your turbo, and at the same time produces an amazing sound effect - characteristic PSSSSSTT !!!! High quality. Installation diameter: 37 mm BOV boost pressure relief valve AMAZING SOUND EFFECT !!! Protects your turbo !!! The standard DV valve forces the air into the circulation, while the Blow Off valve - the atmospheric valve lets the air out, which protects your turbo and at the same time gives amazing sound effect - characteristic of PSSSSSTT !!!! High quality workmanship.