[lippy]

I doubt you can repair them. You probably will need to replace at least part. Classic Chambered (and others) can sell you the center muffler section in several lengths, and they can weld on the turnouts too. If your collectors are in good shape, I would think any good exhaust shop can weld them to the new muffler section and mount them. You could either paint with VHT or have them ceramic coated.