Looking for in-stock aftermarket parts to modify or upgrade your 2006 Audi S4 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your S4.
Whether you have a 2006 Audi S4 in Avant to Cabriolet trim we have you covered. We have 5 catback available to mod your S4. All parts have free shipping to the Continental US 48 States.
 IN STOCK 16586Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow Touring Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for ... MagnaFlow SYS C/B 04-05 Audi A4/S4 4.2L DSR 2004-2006 Audi S4 Avant / Base / Cabriolet $1,546.00 |