Headers for a 70' Dart Swinger

Well here is the thing about running fender wells... My car has a 1970 383 engine in it. Not too sure why or how but I dont want to do any cutting on this original car until I find out.But this is what summit offered me originally. http://www.summitracing.com/search/...-Size/6-3L-383/Part-Type/Headers/?Ns=Rank|Asc