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 : mag15498 Description : SYS C/B 2011 Buick Regal 2.0LT/2.4L Main Piping Diameter : 4 Material : Stainless Series : N/A 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 : 3 Muffler Body Height : 4 Muffler Body Width : 4 Muffler Body Length : 14 Muffler Body Diameter : 4 x 4 Muffler Body Material : Stainless Muffler Body Finish : Polished Muffler Body Shape : Round Sound Level : Moderate Exit Location : Dual Split Rear Exit Quantity : Dual Recommended Use : Performance System Type : Cat-Back Tip Type : Rolled Edge;Double Wall Tip Diameter : 3.5 x 5.5 Tip Finish : Polished Tip Length : 8.25 Tip Material : Stainless Tip Quantity : 2 Tip Shape : Oval Warranty : N/A Components : Band Clamp=3 Muffler Sound Level : Moderate Main Piping Diameter : 2.5 Series : Street Color/Finish : Stainless Warranty : Lifetime Exhaust Type : Dual Exit Position : Dual 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.) : 4 x 4 Muffler Body Length : 14 in. Muffler Body Material : 429 Stainless Muffler Count : 3 Outlet Size (in.) : 3.5 System Type : Cat Back Tip Diameter (in.) : 3.5 x 5.5 Tip Size : 3.5 x 5.5 in. Oval Muffler Type : Turbo Attachment Type : Bolt-On Inlet Connection Type : Bolt-On Inlet Inside Diameter (in.) : 2.5 Muffler Body Height (in.) : 4 Muffler Body Length (in.) : 14 Muffler Body Width (in.) : 4 Outlet Outside Diameter (in.) : 3.5 Tip Length (in.) : 8.25 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 Width : 4.000 in. Outlet Outside Diameter : 3.5 Tip Type : Rolled Edge Inlet Inside Diameter : 2.500 in. Tip Length : 8.250 in. 2012 Buick Regal Base L4.-cc Exhaust, Mufflers & Tips::Catback 2015-2017 Buick Regal Base L4.-cc Exhaust, Mufflers & Tips::Catback 2015-2017 Buick Regal Base L4.1998cc Exhaust, Mufflers & Tips::Catback 2012-2017 Buick Regal Base L4.2384cc Exhaust, Mufflers & Tips::Catback 2011 Buick Regal CXL L4.1998cc Exhaust, Mufflers & Tips::Catback 2011 Buick Regal CXL L4.2384cc Exhaust, Mufflers & Tips::Catback 2012-2017 Buick Regal GS L4.1998cc Exhaust, Mufflers & Tips::Catback 2015-2017 Buick Regal Premium L4.1998cc Exhaust, Mufflers & Tips::Catback 2015-2016 Buick Regal Premium L4.2384cc Exhaust, Mufflers & Tips::Catback 2016-2017 Buick Regal Sport Touring L4.1998cc Exhaust, Mufflers & Tips::Catback 2012-2014 Buick Regal Turbo L4.1998cc Exhaust, Mufflers & Tips::Catback