The lowest price component in this 020 Exhaust System parts-list fiche is the Nut M8.
Parts such as the 020 Exhaust System: Right Silencer, Plug Assy, Vibration Damper Pad, Screw are included in the M620 2006 Usa (monster 620dark) 9151-1482e 020 Exhaust System parts fiche.
Of all the components used in this assembly the Right Silencer is the most expensive.