Universal Stainless Steel Oval Bi-Direction Gray Exhaust Muffler (12568) by MagnaFlow. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 22". Muffler Overall Length: 28". Muffler Sound: Moderate. Muffler Configuration: Dual - Dual. The Wide Open design of the performance muffler improves the breathing of your engine and gives you increased power. It also gives you that famous MagnaFlow Power Sound, that deep, mellow roar that makes people turn around in awe when you fire up your engine. The MagnaFlow mufflers are made to last, being built in stainless steel and a high temperature acoustic suppression material only. Nothing can and the welds are designed to last.The stainless steel body of a MagnaFlow performance muffler is lap-joint welded for solid construction and rugged reliability even in the most extreme conditions. The straight-through, free-flow, perforated stainless steel core, the stainless mesh wrap and the acoustical fiber fill combine to