Some items from this specific schematic: Gasket,ex.pipe (nas), Rubber,chamber Rr, Bolt,flange,dr.8x, Nut, Flange, 8mm.
This MUFFLER assembly utilises four Nut,cap,6mm(s) - the highest specified component.
Of all the components that make up this Muffler the Washer,plain, 8mm has the lowest price.