yeah, matching the angle of the current pads doesn't involve having the new axle under the truck. :thumbsup:
and all muffler shops have a guy that knows how to weld. :D it's about as easy a weld-job as there can be. getting the perches correct left-to-right has proven a challenge for some out in internetland , so measure thrice. :yes: (and make sure you're measuring from the right places as the diff isn't quite centered in an 8.8)