Performance straight through truck muffler
Aluminised steel
Straight through design with no baffles. Perforated inner tube surrounded with acoustic packing
Aluminised steel is better at reflecting heat in comparison to regular mild steel. The aluminised coating also helps to prevent corrosion. When welding ensure that the coating around the weld area is adequately stripped back to the bare steel to ensure proper penetration.
Dimensions:

Truck Muffler 5" In/Out, 44.5" Long Body, 51" Overall, 10" Diameter