2014 SRT Core
JBA shorties probably 6 HP, CAI 3-10 HP depending on who you want to believe (LMI CAI's have been dyno tested by members here to gain 10 HP, not sure of airaids numbers). Diablo tuner would be my first choice of those three. The canned tune will give you a boost in HP probably as great or greater than the other two, you can adjust your throttle sensitivity with the throttle boost and use it to add a custom tune in the future as you add mods. IMO I would go with the tuner first.