DO NOT port the TB or intake manifold.
That is a total waste of time and money.
The factory unit is already way behind big.
(I can make the same power at 800 rwhp, with the throttle half closed, LOL)
Remember you are forcing air thought it, not sucking.
Save your $$$ for the cam.
.... they make some awesome gains.
Last cam I did was 100 rwhp on these cars.