Wait until you have to remove the muffler bearings and reinstall ......In all seriousness buy new clamps and mark it up as a lesson learned.

rk classic.

 

My first time changing them I wish I would have used a bearing puller... PITA!

 

If you have an strips of thin sheet metal laying around you could try cutting a piece to use as a shim to give you a little more clamp bite. I mean aside from replacing them as already suggested.

 

I had that problem. I loosened the clamp, whacked it with a rubber mallet until it was all the way forward and then re tightened the clamp. It held for a while but eventually worked its way loose again. So, I repeated the procedure and then zip tied the rear clamp to the saddle bag brace. So far so good.It ain't going anywhere and, yes, it's a rig job but who cares? The zip ties are completely hidden by the saddle bag so no one can see them.

 

This one time, at band clamp...