Of all the components used in this assembly the Muffler 1 is the most expensive.
Some items from this specific schematic: Washer, Plate (36a), Washer, Protecter, Bolt, Flange(1et), Washer Plate 178147660000 (mca).
eighteen components are shown in this Xt350'88 1988 55v0 France 1855v-351f1 Echappement exploded diagram.