headers?

Hay any buddy have any suggestions?I have a set of tti stair step headers in my 68 baracuda 1/58 to 1/78 now but I have done a major face lift on my 340 now stroked to a 408 with mass head work done on my w2s.I will not cut my wheel wells, does any one make a 1/78 or bigger header that will fit In my wheel well.I know that I will have to use an adapter for the W2s.Hopefully I will have a 11 second car next season as I had to set this one out.

Thanks Dave in seattle