BLOW OFF TurboWorks Audi A4 S4 Golf Black CN-BO-047

BOV boost pressure relief valve AMAZING SOUND EFFECT !!! Protects your turbo !!! Valve with air bleed to the atmosphere, the set also includes a plug for the return air pipe. Dedicated to 1.8T VAG engines. Serial DV valve forces the air into the circulation, while the Blow Off valve - an atmospheric valve releases air to the outside, which protects your turbo, and at the same time produces an amazing sound effect - characteristic PSSSSSTT !!!! Up to 1.7 Bar of boost & nbsp