You'll need to decide how much improvement to expend $$ on the intake. The stock 2.3 manifold has many compromises and just bolting on a Better Weber OEM replacement isn't the best option. Since you wish to and can legally remove the Emissions burden, the skies the limit up to the ability of a exhaust system limitation.  The options are many but it is a slippery slope for expenses.
 Let us know what your drivability goals are..
 Pintosopher