My buddy is about 2 get the rest of his parts for a new rebuild.350 new forged pistons I-beam rods,new crank,Mild ported heads intake gasket matched,58MM TB,custom cam 232/240 540/540 lift with 1.5 rocker but will be using a 1.6.PCM tune,1 3/4 long tubes borla cat back with lower control arms and 3500 stall.How much is a unported intake going 2 be holding this car back?