The condition of the muffler when I removed it. I am getting ready to start work on it:
The crack in the muffler that needs to be cleaned up and repaired:
My first course of action was to remove all the loose rust. Using a wire brush I spent a good hour scraping all the rust off. There were sections of loose rust that needed to be chipped off as well. Most of the rust was on the piping and ends of the muffler. The muffler body was fairly rust free.
Cleaned up muffler:
Clearer picture of the damaged portion of the muffler:
