aFe Power 49M00007 Mach Force-Xp Stainless Steel Muffler, 14-Inch Constructed of brushed finished 409 stainless steel Uses a straight through perforated core with heat resistant packing Features an aFe Power Plate for an aggressive style 2-1/2 inches ID Inlet/Outlet 14 inches Overall Length, 6 inches Body Diameter