Here's an update with pics to give people a feel for this job, and how easy it can be:
Here is the welding job to attach the new (used) muffler. The young lad who did the weld said it was easy. He was surprised at how much room he had and was able to go all the way around with the rear passenger wheel off and the car on jacks.
Here is the new hanger arrangement at the back of the muffler. We just used the original hanger, and I added a bracket (a piece of metal I found), a strap (and U-clamp) and two nuts&bolts:
Notice the piece of galvanized stove-pipe I used to replace the rusted heat shield in the background..
