The most expensive part in this assembly is the Body,muffler.
A sample from the products for the Muffler (ds100c include: Connector,muffler, Band,spark Arrester, Screw, Screw.m6x1x8.
thirty-seven components are shown in this Ds100 1980 (t) Usa (e03) Muffler (ds100c exploded diagram.