Hey, I've ditched my headers and installed some 1971-1972 exhaust manifolds on my '65 Barracuda with a 360.
The passenger side is casting number 3618623 and fits fine. The center dumps looks reasonably straight forward to access in order to make a head pipe. The driver side casting is 3614368-2 and also fits fine, barely missing the steering column, but it's in there. The dump points slightly forward so it needs a head pipe or adapter with a pretty sharp 180 bend. I've seen Treblig's nice...
Treblig's doughnut?
