Looking for aftermarket parts to modify or upgrade your Audi S4 with blow off valves? At Tunersports.com we carry a huge selection of the top name brand performance blow off valf parts and accessories for your S4.
Whether you have a 1992 or 2022 Audi S4 in Avant to Prestige trim we have you covered. We have 3 blow off valves available to mod your S4. All parts have free shipping to the Continental US 48 States.
IN STOCK - LOW AP-UNI-150BLKThe factory valves are prone to leaking pressure under increased boost when the car has an upgraded ECU flash. As well, the factory Bosch valves will taper boost off with the diaphragm design even at stock boost levels. To help keep the boost pressure constant all the way to redline, upgrading the s... AP Power Upgraded Diverter Valve - Black 1992-1994 Audi S4 Base 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $125.13 |
 IN STOCK T9380The newly released T9380 is the latest addition to the DV+ range of diverter valves from GFB (Go Fast Bits). It is specifically designed as a complete replacement for the newer generation of Continental brand OEM diverter valves found in late-model VW and Audi vehicles.... GFB Diverter Valve DV+ 2022+ VW Golf GTI/Golf R Mk8 (EA888) / 2018+ Audi RS5 B9 2.9TFSI 2018-2022 Audi S4 Premium Plus / Prestige 2019-2022 Audi S4 Premium $242.10 |
 IN STOCK T9480By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and reliability. The integrated low-profile solenoid ensures a direct fit installation. With i... GFB VTA Blow Off Valve 2022+ VW Golf R Mk8 / 2016+ Audi S4 B9 w/Continental Diverter 2018-2022 Audi S4 Premium Plus / Prestige 2019-2022 Audi S4 Premium $250.20 |