318 (275 Hp)

You have enuff carb. Not to much. Even with the larger T-Q your fine. A possible re-jetting or rod change will fix up the primarys. Tighten up the air door spring to tune the secondarys timing of opening and a possible rejetting of the secondarys apon W.O.T.

Header wise, the best are the tti for fit finish and durabilty. I have a set of Hooker comp's in my Duster and I have no complaints. Very hard to get in though.