Tailpipes…..

Getting to the point of planning my exhaust for my 73..

I'll be doing aluminized steel, 2.25" duals from 360 truck manifolds down to a pair of 2.25" in/out Hemi mufflers, my question or opinion request is for the tail pipes, the question is, do I go 2" like the factory would have or 2.25"?

Nick