hanger

hi all, i was looking forward to go xmas shopping today in my pride and joy after not driving it for a week because i had the works van,while walking up the drive after work, what did i see?............ my backbox sitting on the floor. After futher inspection,it was the hanger bracket had...

right doin me head in now think somebody has welded the two allen bolts on any ideas how to get them off without a grinder ?:lol:

should there be one just over the rear beam? my new exhaust seems to have a bar to hang it on but the chassis has no hanger to hang it on?