I'm getting a CTR intake cam, so is it worth it since these aren't that aggressive? Any significant hp gains or stick with the stock IM?

 

with my friends gsr motor, he installed the junk 2 mani when it first hit the market to compliment his itr valve train and cams. on the butt dyno, he said the gain was incredable.
from another person, whom went to the dyno, he stated that the junk2 mani tossed up a big doughnut
i say its a piece of ****, quality and name. port the p73, i think you will be much more happier with it

 

type r's are much nicer i think. if you have a gsr get a skunk 2 allways, bit for a i/h/e b16a a type r mani is kinda big once you get cams or high comp pistons is when you see a gain with a itr.

 

i coulda swore that skunk itm are copys of the typr r manifold just ported a little bit extra. the runners are much shorter than on your stock one btw. i noticed a difference but i have a gs.....

 

Stock, the Sk IM will loos some mid-range and give some top-end. (dynoed)

It's an ITR IM copy, and will require some work to make it fit usually.