The most reasonably priced component used on the Gs650gt 1983 (d) (e01 E02 E04 E06) Muffler is the Lock Washer.
The sub assemblies and components that make up this Muffler include this Muffler Assembly, the most expensive part.
The eighteen Gs650gt 1983 (d) (e01 E02 E04 E06) Muffler component parts are all listed in this schematic.