Made 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 the ultimate in unrestricted horsepower and torque for big power while maintaining exhaust efficiency. These systems are an engineered balance of interior and exterior noise levels and are tested against SAE j1169 standards. PartNumber : mag15599 Description : SYS C/B 2010 Audi S4 3.0L S/C Main Piping Diameter : 2.5 Material : Stainless Series : N/A Anticipated Ship Out Time : Approximately 1-2 Days Attachment Style : Clamp-On Color/Finish : Satin Exhaust Inlet Connection Type : Clamp-On Exhaust Pipe Material : Stainless Muffler Quantity : 3 Muffler Body Height : 5 Muffler Body Width : 8 Muffler Body Length : 18 Muffler Body Diameter : 5 x 8 Muffler Body Material : Stainless Muffler Body Finish : Polished Muffler Body Shape : Oval Sound Level : Moderate Exit Location : Quad Split Rear Exit Quantity : Quad Recommended Use : Performance System Type : Cat-Back Tip Type : Double Wall;Angle Cut Tip Diameter : 3.5 Tip Finish : Polished Tip Length : 5.5 Tip Material : Stainless Tip Quantity : 4 Tip Shape : Round Warranty : N/A Components : Band Clamp=4 Muffler Sound Level : Moderate Series : Touring Color/Finish : Stainless Warranty : Lifetime Exhaust Type : Dual Exit Position : Quad Split Rear Exit Style : Straight Finish : Stainless Steel Inlet Size (in.) : 2.5 Main Piping Diameter (in.) : Stainless Material : Stainless Steel Muffler Body Diameter (in.) : 5 x 8 Muffler Body Length : 18 in. Muffler Body Material : 429 Stainless Muffler Count : 3 Outlet Size (in.) : 3.5 System Type : Cat Back Tip Diameter (in.) : 3.5 Tip Size : 3.5 in. Muffler Type : Turbo Attachment Type : Clamp-On Inlet Connection Type : Clamp-On Inlet Inside Diameter (in.) : 2.5 Muffler Body Height (in.) : 5 Muffler Body Length (in.) : 18 Muffler Body Width (in.) : 8 Outlet Outside Diameter (in.) : 3.5 Tip Length (in.) : 5.5 Title : Cat Back Tubing Diameter : 2.50 in. WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Muffler Body Diameter : 5.000 in. x 8.000 in. Muffler Body Width : 8.000 in. Outlet Outside Diameter : 3.5 Tip Type : Double Wall Main Piping Diameter : 2.25 Inlet Inside Diameter : 2.500 in. Tip Length : 5.500 in. 2010-2013 Audi S4 Base V6.2995cc Exhaust, Mufflers & Tips::Catback 2014-2016 Audi S4 Premium Plus V6.2995cc Exhaust, Mufflers & Tips::Catback 2014-2016 Audi S4 Prestige V6.2995cc Exhaust, Mufflers & Tips::Catback