The most reasonably priced component used on the Gs450e 1988 (j) (e04 E22 E34 E75 E77) Muffler is the Lock Washer.
fourteen components are shown in this Gs450e 1988 (j) (e04 E22 E34 E75 E77) Muffler exploded diagram.
Some items from this specific schematic: Bolt 8x40, Bolt, Washer,lock, Clamp,muffler Cover.