The Muffler assembly is constructed from several parts from which the Muffler Comp is the most expensive.
Some items from this specific schematic: Protector,muffler, Bolt,flange,6x79, Bolt Flange 6x12, Muffler Comp.
With a quantity of three pieces, the Bolt Flange 6x12 is the most used part in the MUFFLER diagram.