Some items from this specific schematic: Grommet A,muffler, Bolt,flange,8x45, Muffler Comp,exh., Bolt,flange 6x14.
This Pipe Comp Exh is the most expensive of the items that make up this Exhaust Muffler assembly.
On this parts fiche the Nut,flange,7mm is the most specified component.