Check out any of the eighteen Muffler components enlisted.
Parts such as the Muffler: Washer,lock, Cushion, Plate,exhaust Pipe, Muffler Assembly are included in the Gsxr750 1987 (h) Usa (e03) Muffler parts fiche.
The Muffler assembly is constructed from several parts from which the Muffler Assembly is the most expensive.