Well I did it, Decided to pull the old heavy muffler off the old girl and put a resonator on the u300. It was not has hard as I thought, the hardest thing was to get the old muffler off. I cut the muffler off at the 90 going into the old muffler. I decided that I would just turn the 5 inch pipe coming off the flex 180 degrees and run a short resonator 16" long and use...