Genuine Ducati Monster 620 OEM Used Exhaust Silencers , From a 900 mile bike . Sold only as a pair . From around 2004-2008 Maybe fit other years and models , check the pictures , and call me if your unsure. The silencers have the numbers 573.1.050.2D & 574.1.050.2D , also the number ZDM-B29 . Im pretty sure lots of the early type monster pipe interchange (so maybe 600 / 620 / 750 /900 ? ) may interchange . These parts are in great condition , no road rash or scuffs / scrapes What you see in the pictures is what you will receive . Remember these items are all genuine oem items. Please check the pictures to make sure the item is correct , and the condition is satisfactory.