Harold Johnson, Spitfire headers,Whats his Number?

I think theres an article in rod and custom or hotrod magazine showing a kit that consists of a bunch of yellow plastic tubes that you connect like legos and twist around. you basically buy the kit and build your own shape, then either send it to someone or weld it up yourself. The best fitting headers youll ever have. wish i remember what they were called.

Here it is , somehow I remembered this site from about a year ago. I dont think their bends are tight enough for the Early A though.

http://www.stainlessheaders.com/headerfabrication?gclid=CLXFu4ekyKkCFecaQgodPQvzMA