I own a 08 wdp 6spd TL Type S and im a bit confused about the ported intake manifold and runners. are these 2 diff parts or is this one piece that has to be polished. Once i hurd this wud let my baby breath beatter i had to look into it please help..Want my TL to scream like this lol

 

If you manage to get the work done, I hope your TL screams in a safe and controlled environment, not on public roads.