Factor in labour guys... that is where most of the money would have been spent. Speedflow fitting cost about $50 a piece unless you know sumone... :P

Id believe that... There is actually nothing wrong a cast manifold, in fact its better than any steel or thin walled turbo manifold as what is one of the key things which drives a turbo...? Heat... Not even a ceramic coated manifold and a turbo beanie can retain as much heat as wat a cast manifold can hold. Only real downside is the weight of the damn thing...