Whether you drive a street, off-road or diesel truck/SUV, MagnaFlow has DYNO-PROVEN exhaust systems that are rugged enough to survive grueling Baja racing. Each system is designed to bolt right on and provide years of trouble-free performance. Provides a smooth, deep tone that is suitable for grocery-getting SUV's with casual tow duties to full blown modded drag racing diesel pickups. * Delivers a Smooth, Deep Tone * 100% Stainless Steel * Fully Polished Mufflers * Dyno Proven * Lifetime Warranty PartNumber : mag15527 Description : SYS C/B 2011 BMW 135 3.0T Sport Ser Main Piping Diameter : 2.5 Material : Stainless Series : Sport Anticipated Ship Out Time : Approximately 1-2 Days Attachment Style : Bolt-On Color/Finish : Satin Exhaust Inlet Connection Type : Bolt-On Exhaust Pipe Material : Stainless Muffler Quantity : 2 Muffler Body Height : 5 Muffler Body Width : 5 Muffler Body Length : 14 Muffler Overall Length : 17 Muffler Body Diameter : 5 x 5 Muffler Body Material : Stainless Muffler Body Finish : Polished Muffler Body Shape : Round Muffler Configuration : Center/Center Muffler Inlet Diameter : 2.875 Muffler Outlet Diameter : 3 Muffler Type : Straight-Through Sound Level : Aggressive Exit Location : Dual Straight Driver Side Rear Exit Quantity : Dual 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 : 2 Tip Shape : Round Warranty : N/A Components : Band Clamp=3 Muffler Sound Level : Aggressive Color/Finish : Stainless Warranty : Lifetime Exhaust Type : Single Exit Position : Dual Side 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 5 Muffler Body Length : 14 in. Muffler Body Material : 429 Stainless Muffler Count : 2 Outlet Size (in.) : 3 System Type : Cat Back Tip Diameter (in.) : 3.5 Tip Size : 3.5 in. Attachment Type : Bolt-On Inlet Connection Type : Bolt-On Inlet Inside Diameter (in.) : 2.5 Muffler Body Height (in.) : 5 Muffler Body Length (in.) : 14 Muffler Body Width (in.) : 5 Muffler Inlet Diameter (in.) : 2.875 Muffler Outlet Diameter (in.) : 3 Muffler Overall Length (in.) : 17 Outlet Outside Diameter (in.) : 3 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 5.000 in. Muffler Body Width : 5.000 in. Muffler Inlet Diameter : 2.875 in. Muffler Outlet Diameter : 3.000 in. Outlet Outside Diameter : 3 Tip Type : Double Wall Inlet Inside Diameter : 2.500 in. Tip Length : 5.500 in. 2011-2013 BMW 135i Base L6.2979cc Exhaust, Mufflers & Tips::Catback