Hey CoachDoc. A good friend had a '76 550 and he went to a MAc exhaust. His restoration was custom, so he gave me his old OEM pipes. They're in pretty great shape too, although the baffle in #2 started rattling a little near the end of my trip. I've been searching around to possibly buy a new set, but 3 of the 4 pipes are on long back-order in Canada. I tried going through Service Honda in the US, but they can't check availability before submitting the order, and I don't wanna get stuck without a full set, then have to try to find an individual new pipe.
Any ideas on a good company to source the pipes from Honda? Maybe I could cross over to a Detroit Honda dealer and see if they can order them for me.