The component with the lowest price in the MUFFLER schematic is the Washer,plain, 6mm.
Parts such as the Muffler: Washer,plain, 6mm, Bolt Flange 6x40, Bolt,flange,6x12, Bolt,flange,sh 6x18 are included in the Cr125r 1996 (t) Usa Muffler parts fiche.
The most expensive part in this assembly is the Chamber Comp,exp.