Wow, Walt, that is world class work there. I'd think you outdid what you couldn't buy.
To the guys who want to cut the mufflers apart=
I'd attempt something like what Klatt 89 is doing before attempting to cut stock mufflers apart. Thanks for the heads up Brian
Those look a bit on the heavy side but they should last a long time.
Moc one up out of carboard an see what it would look like and go from there.
you can probably pick up scrap but new sheet metal at a local machine shop or a local scrap yard. Cut, fit and low buck mufflers that may or may not mufflle.