MagnaFlow Performance mufflers are 100% stainless steel and lap-joint welded for solid construction and rugged reliability even in the most extreme conditions. They feature a free-flowing, straight-through perforated stainless steel core; stainless mesh wrap and acoustical fiber fill to deliver that smooth, deep tone. MagnaFlow Mufflers are packed tight with this acoustical material to ensure long life and no sound degradation over time. PartNumber : mag12776 Description : Muffler Mag DSL SS 7X7X14 5.0/4.0 Main Piping Diameter : 5 Material : Stainless 614 : 7 616 : 7 615 : 14 Muffler Overall Length : 20 52 : 7 x 7 621 : Stainless 200 : Satin 33 : Round Muffler Configuration : Center/Center 601 : 5 622 : 5 1174 : Straight-Through 1161 : Body Length (in.) : 20 Inlet Inside Diameter (in.) : 4 Inlet Position : Center Main Piping Diameter (in.) : 4 Outlet Position : Center Outlet Type : Single Center Overall Length (in.) : 20 Shape : Round Tip Quantity : None Body Height (in.) : 7 Body Material : Stainless Body Width (in.) : 7 Finish : Satin Muffler Body Diameter (in.) : 7 x 7 Muffler Overall Length (in.) : 20 Muffler Type : Straight-Through Outlet Inside Diameter (in.) : 5 Title : Universal Muffler WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Body Height : 7.000 in. Body Length : 14.000 in. Muffler Body Diameter : 7.000 in. x 7.000 in. Outlet Inside Diameter : 5.000 in. Inlet Inside Diameter : 5 Outlet Inside Diameter : 5 Exhaust Tip Quantity : Body Width : 7 Body Length : 14 Body Diameter : 7 x 7 Body Height : 7 Inlet Inside Diameter : 5.000 in. Exhaust, Mufflers & Tips::Muffler