Yeah I already know about increased chances of cracking. But it's a risk I'm willing to take, and the manifold is supposed to have a lifetime warrantee (who knows if those guys would honor though...). Anyway, thanks for the warnings, I'm fully aware, but I need to do everything I can to keep my engine bay cool so oh well.
311 - THanks for the compliment. We tried to take our time and do it as best we could to keep it clean looking.
Now I just need that head...