Parts such as the Muffler: Nut M8, Muffler Assembly, Washer (8.5x20x1.6), Muffler Assembly,left are included in the Gsx600f Katana 1996 (t) Usa (e03) Muffler parts fiche.
With a quantity of eight pieces, the Bolt is the most used part in the MUFFLER diagram.
The most reasonably priced component used on the Gsx600f Katana 1996 (t) Usa (e03) Muffler is the Bolt.