I think a custom built pipe is the only answer. I’m sure an exhaust shop with some experience can help build you what you want. Have faith. Make them show you what they built BEFORE you pay.
TerrrrRearrrrrrRear. That’s a chrysler starter for ya!
That's what I did many years years ago. Clifford headers, twice pipes, 4bbl 4speed. Ran well sounded funny. If I was to do it again would have quite muffs