The component with the lowest price in the Muffler(s) schematic is the Bolt-flanged,6x25.
The Kaf620-pcf Mule4000 2012 Usa Muffler(s) consists of eleven pieces with the Body-comp-muffler being the most expensive.
Some items from this specific schematic: Body-comp-muffler, Pipe-exhaust,rr, Cover-exhaust Pipe, Nut-hex,6mm.