The Muffler assembly is constructed from several parts from which the Muffler Comp is the most expensive.
In this schematic the "Bolt,flange 6x10" is used most often.
Parts such as the Muffler: Band C,expi Cover, Washer,plain,6mm, Band A,expi Cover, Nut,flange,6mm are included in the Trx350fm 2003 (3) Usa Muffler parts fiche.