The eighteen Rm65 2004 (k4) Usa (e03) Muffler component parts are all listed in this schematic.
Of all the components that make up this Muffler the Bolt,flanged S has the lowest price.
Some items from this specific schematic: Seal, Gasket,exhaust (nas), Nut,flanged,6mm, Washer,6.5x22x1.6.