The lowest price component in this Exhaust parts-list fiche is the Bolt, Flange (10x).
This part-list fiche shows all the components that make up the Yfm80n 1985 Moto-4 Exhaust .
Some items from this specific schematic: Washer, Plate (898 Frame), Pipe, Outlet, Muffler 1, Gasket, Exhaust Pipe (nas).