Hi, being a newbie I get to ask questions most everyone on here knows the answer to: What exactly is the "PI" intake manifold as compared to the upgraded plastic with the aluminum front crossover. Is it all aluminum, and is it a direct replacement, or is port matching part of the swap? What year cars is it from?
it looks pretty much the same as the plastic intake with the aluminum crossover, but it flows much better. also port matching is not needed, but the pi intake gaskets need some rtv around the coolant ports, and the crossover tube needs to be swapped for the pi one too.