I don't see how you could install the sho shop lower manifold without port matching. It's what I had done in my car. I think the LIM would cause a power loss over stock from the ridge that would be there.

Roger

98 SVT E0, Black 3.0L, y- pipe, open air filter, ported lower intake manifold, Quaife diff. 220hp at the wheels through the stock exhaust and manifolds. Blown motor, help on the way...... 97 GTI VR6, Green lots of mods, 205 hp at the wheels