Peace be upon you. . For sale MagnaFlow steel muffler, 3 inches. Two inlets, two outlets, and the muffler is clean, still steel. Used for less than a year. . Its sound is melodious and smooth. It was installed on a GMC HD 2006, 6.0 liter. And it is clean from welding, leaks, and cracks. . Sale is easy, God willing, at a reasonable price.