A Forge Motorsport Blow-Off Adaptor offers a cost-effective open air venting upgrade for your existing blow-off valve (BOV) to achieve a distinctive enhanced turbo "whoosh" that is often lacking on your stock setup.Precision engineered from lightweight billet aluminium for a reassuring quality and fit.Includes quality O-rings for a perfect sealed fitEasy installation that includes all the necessary componentsAchieves desirable turbo sound with your factory set upModern factory recirculating turbo configurations often use an electronically controlled solenoid system that diverts the charge air around the turbo and back into the intake system. This compromise reduces turbo noise making your car quieter(a desirable selling point for the manufacturer) but also increases intake temperatures reducing peak performance.Forge BOV adaptors are a neat solution designed to work with the factory BOV that maintains enough airflow to not upset the factory sensing circuit, yet simply mounts between yo