The Nut is the cheapest item from this partsfiche.
With a quantity of eight pieces, the Bolt is the most used part in the MUFFLER diagram.
Parts such as the Muffler: Muffler, Bolt(8x40), Seal(l:520), Clamp(l:190) are included in the Gsxr600 2007 (k7) Usa (e03) Muffler parts fiche.