MagnaFlow Red Pack mufflers are our proven glasspack mufflers with a High Temp Red Coating. These mufflers are reversible in design and feature a straight through design for maximum flow and minimum restriction. Built with a single stage packing these mufflers bring back that classic look and traditional glasspack sound. PartNumber : mag13124 Description : Muff GP 3.5 Dia 18in. 2/2 RP Main Piping Diameter : 2 Material : Aluminized 614 : 3.5 616 : 3.5 615 : 18 Muffler Overall Length : 22 52 : 3.5 x 3.5 621 : Aluminized 200 : Red Coated 33 : Round Muffler Configuration : Center/Center 601 : 2 622 : 2 1174 : Glass Pack 1161 : Body Height (in.) : OEM Body Length (in.) : 18 Body Width (in.) : OEM Inlet Connection Type : Pipe Connection Inlet Position : OEM Inlet Size (in.) : 2 Inlet Type : OEM Main Piping Diameter (in.) : 2 Material : Aluminized Steel Muffler Count : 1 Outlet Position : OEM Outlet Size (in.) : 2 Outlet Type : OEM Overall Length (in.) : 22 Shape : Round Body Material : Aluminized Finish : Red Coated Inlet Inside Diameter (in.) : 2 Muffler Body Diameter (in.) : 3.5 x 3.5 Muffler Overall Length (in.) : 22 Muffler Type : Glass Pack Outlet Outside Diameter (in.) : 2 Tip Quantity : Outlet Inside Diameter (in.) : 2 Title : Universal Muffler WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Body Height : 3.500 in. Body Length : 18.000 in. Muffler Body Diameter : 3.500 in. x 3.500 in. Outlet Inside Diameter : 2.000 in. Outlet Outside Diameter : 2 Exhaust Tip Quantity : Inlet Inside Diameter : 2 Outlet Inside Diameter : 2 Body Height : 3.5 Body Diameter : 3.5 x 3.5 Body Length : 18 Body Width : 3.5 Inlet Inside Diameter : 2.000 in. Exhaust, Mufflers & Tips::Muffler