Aluminum Car BOV Adapter DV+ Diverter Valve Fit For Audi Fit For Volkswagen Fit For BMW Fit For Ford Fit For Benz Etc. The part is machined from aluminum, anodized, and the factory electromagnetic coil is retained for seamless integration. The unique "pilot-type" valve mechanism can achieve rapid response during high pressure increase, make the throttle response more sensitive, the valve operation is as fast as lightning, and will play as much as possible. The blow off valve adapter creates an appealing atmospheric blow-off valve sound and improves turbo engine operation. The Turbocharger bypass diverter valve is made from a plastic and metal blend, boasting wear resistance and structural stability for long-term application., Manufacturer: VNSMM