Of all the components used in this assembly the Muffler Comp. Exh is the most expensive.
On this parts fiche the Pkg.,muff.protr. (nas) is the most specified component.
Some items from this specific schematic: Muffler Comp. Exh, Screw-washer,6x10, Packing,protector (nas), Pkg.,muff.protr. (nas).