Looking for aftermarket parts to modify or upgrade your 2000 Audi A4 Quattro with blow off valves? At Tunersports.com we carry a huge selection of the top name brand performance blow off valf parts and accessories.

IN STOCK - DROPSHIPS T9525Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's Deceptor Pro II delivers just what you need ? the ability to control how loud your BOV sound is, from t... GFB Deceptor Pro II Blow Off Valve - 25mm Inlet/25mm Outlet 1997-2005 Audi A4 Quattro Base 1999-2005 Audi A4 Quattro Avant $472.68 |

IN STOCK T9302The factory diverter valve on Polaris SxS models is made from plastic with a rubber diaphragm. It is known to rupture and cause significant boost leaks, and its "normally open" design means that part throttle boost response is always compromised. The GFB DV+ is a direct replacement diverter valve th... GFB Polaris RZR Turbo SXV Recirculating Bypass Valve 1997-2005 Audi A4 Quattro Base 1999-2005 Audi A4 Quattro Avant $178.20 |

IN STOCK - LOW T9025If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons ... GFB Audi/VW 1.8T TMS Respons Blow Off Valve Kit 1997-2005 Audi A4 Quattro Base 1999-2005 Audi A4 Quattro Avant $320.85 |