The Nut,flange,8mm is the lowest priced item on this Exhaust Muffler schematic.
Parts such as the Exhaust Muffler: Protector,l Exh, Bolt,flange,6x14, Bolt,flang 8x18, Protector,muff.co are included in the Cb600f Hornet 2009 (9) Spain Exhaust Muffler parts fiche.
The Exhaust Muffler is made up of components including this Pipe Comp,exh which is the most expensive.