A good pipe will increase flow far more than "port matching" ever will.
After spending a decade (uhm.....two) with a (sometimes wet) Superflow 600 screaming in my ears I found finish does nothing to foster increased flow. As long as it has a smooth clean profile there's nothing more you can do. The boundary layer is up to 1 mm thick and cancels anything more than a smooth finish. You should see what a pitot tube does to flow.And that my friends is empirical not anecdotal evidence.
If you're going to be crazy,you have to get paid for it or you'll get locked up.
Hunter S. Thompson