Anyone build their own headers

I have built a few sets and cut my own flanges ( even in the days processing plasma cutters)and used pre- cut flanges. If Hell's Gate Hot Rods @
Flanges - Hells Gate Hot Rods
Has what fits your engine you'd be hard pressed to make your own as nice, and for the price. Even if they need a bit of fine fitting to be perfect they make a great start.