your pipes are holding you back, I would get the bike ported, pick up some vf3's, advance the timing, and get some cpis or some toomey t-5's. these pipes respond real well to porting and pull better trough the mid range and top end! Also if you are gonna be drag racing, a 2 into 1 carb is not the way to go! it will limit your top end real bad. I would get some 33-35mm pwks if your set on carbs. But they are not needed till ya free up the porting and the exhaust.
As far as tunning there are alot of people on this site that can help ya out with all that!