Hi Hank,
I bought that Clifford manifold before I found this wonderful site. I knew I wanted a black engine with polished fasteners. I have read many times on past posts that the Offy would be better for my application but by then I was committed to my plan. I expect it's going to perform better than the original 250 with 100K, one barrel and smog and I drove it like that for a year.
Regarding the exhaust, I have a Summit 2-1/4" X-pipe and two Thrush turbo mufflers to install.
