I thought w2 heads had multi pattern exhaust, so that you could use any style header? There was a guy on here who used TTI with his sb Stroker in a early A and did not cut his fenders.
some do and some dont have the dual bolt pattern...so it depends on which version of the w2 head you have...and the standard LA exhaust header does not fit the w2 exhaust port very well...
going to be pretty hard to find a non fenderwell w2 header..given most of the w2 header were 1 7/8"...
hooker and hedman used to make them....not very popular any more.