what turbo headers for a 318?

Im thinking the sbc headers are probably the most realistic. I have a set of sbm junk headers I can steal flanges from. Thoughts?
The block headers I think would have no clearance, unless flanges were cut and swapped to flip vertical.

The mags would point down if flipped...maybe they would work for a single gt45 and a merge pipe...but I really dont want a single