If you're concerned, get the flywheel balanced at your local machine shop. I doubt that a performance flywheel would be out of spec, but you can get it checked anyway.
Also, the CTA is
not a CAI. If you want a true CAI, you either have to modify the CTA, or
build your own.
Don't do the IAT resistor trick. Our PCM's relearn too quickly. If you use it for more than 15 minutes at a time, your PCM will figure it out and throw a CEL (check engine light).
Get a SCT xcal2 of you want to tweak things the right way. (If you're really serious, you should consider the SCT xcal2 and the ProRace software.)
BTW, cam gears are also a great way of squeezing more power out of the stock engine.
HTH,
BP