UNIVERSAL ALUMINUM SKY BLUE TYPE-S 2-BOLT FLANGE TURBO BLOW-OFF VALVE PSI BOOST Exhaust Systems Exhaust Tip compatible for Audi A3 S3

compatible for Audi A3 S3 2003-2005

Other Part Number: 515036

2006-2008 Subaru Forester 2

2L 3YEC 4YEC

BMW 1 Series • 2008-2010 E82 Coupe 135i • 2008-2010 E88 Convertible 135i• 2011-2013 1M CoupeE Chassis BMW 3 Series• 2006-2010 E90 Sedan 335i / 335ix• 2006-2010 E91 Touring 335i / 335ix • 2006-2010 E92 Coupe 335i / 335ix• 2006-2010 E93 Convertible 335i / 335ix• 2011-2013 E92 Coupe 335is The N54/N55 aluminum replacement charge pipe upgrade to your flimsy factory plastic charge pipe

UNIVERSAL ALUMINUM SKY BLUE TYPE-S 2-BOLT FLANGE TURBO BLOW-OFF VALVE PSI BOOST Exhaust Systems Exhaust Tip compatible for Audi A3 S3The 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