I just removed a striped safety torque bolt from my 2009 gt125r exhaust front downpipe as my new blackwidow exhaust came today were can I get a replacement bolt for the damaged one I removed thanks.

Hi everyone needing some help I have purchased a 2009 hyosung gt125r which had been sitting for 3 years outside in the elements.EVerything was seized solid threw alot of work I have managed to get bike up and running but I cant find downpipes for exhaust anywhere as the ones I took of are rotten and un usable any help would be greatly appreciated thanks