My friend Tom called me an all too common problem with Harley Baggers! A broken exhaust! It all started on a ride to Reno one year, where we happened to notice that the left rear muffler bracket (also the bag support) had broken at the rear where the muffler mounts.
The weight of the muffler, over time, had completely torn the cross over header apart. He had been complaining of power loss and noise for a while, surprise! This is what happens when you don’t periodically check things. The weight of the muffler stress cracked the header at the cross-over, along with some corrosion; the old girl just couldn’t hang on anymore. Read more.