[mikep]

Rams Horn exhaust manifolds suck! They dont leak but thats the only thing goig for them. Even the corvette models will never build as much power or deliver gas mileage as a cheap set of headers. Exhaust scavenging is what makes engine efficiency.

I use pure copper exhaust manifold gaskets and flange gaskets. Theyre available through summit. I think I spent $60 on the set. Theyre reusable and they never leak.