Blow Off Valve BOV Adaptor Fit For BMW 5 Series N20 Engine/BMW X1 N20 Engine Brake Disk Compatible for Chevy Silverado 1500

Compatible for Chevy Silverado 1500 HD V8 6

2006-2007 Ford Fusion SEL Sedan 4-Door Trunk

2000-2001 Subaru Outback

Increasing your engine's efficiency is a major way to improve performance and horsepower

Blow Off Valve BOV Adaptor Fit For BMW 5 Series N20 Engine/BMW X1 N20 Engine Brake Disk Compatible for Chevy Silverado 1500The Blow Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo's compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. Surge can eventually lead to thrust bearing failure due to the high loads associated with it. Blow Off valves use a combination of manifold pressure signal and spring force to detect when the throttle is