Are these exhaust 'collar' parts easily replaceable? This bolt won't budge. It looks like i'll have to cut it out and chuck the collar, as the bolt itself has probably become welded in situ over time.
Should still be available from Ducati, or Stein Dinse; at a cost. https://www.stein-dinse.biz/images/product_images/popup_images/74110033a.jpg
https://www.ebay.co.uk/itm/Mikalor-...442029&hash=item1cac1215df:g:FEkAAOSw1u5bAtMZ Copper-slip the threads before fitting https://www.ebay.co.uk/itm/Granvill...443825?hash=item546c131931:g:z6wAAOSwTmpckRHv