UNIVERSAL ALUMINUM SKY BLUE TYPE-S 2-BOLT FLANGE TURBO BLOW-OFF VALVE PSI BOOST Exhaust Systems Exhaust Tip Service Replacement For Vehicles With

Service Replacement For Vehicles With LED Indicator

compatible for Audi A3 S3 2003-2005

98060290403

Other Part Number: 515036

UNIVERSAL ALUMINUM SKY BLUE TYPE-S 2-BOLT FLANGE TURBO BLOW-OFF VALVE PSI BOOST Exhaust Systems Exhaust Tip Service Replacement For Vehicles WithThe 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