sorry, you are out of luck. there is no "chip" for you. the only thing that is even remotely possible is a Hydra ecu replacement, but fir the 4eat and no mods, its not worth it and will get you little if any power.
enjoy the car you have.
4-Time NNJR ESP Season Champion -15 ESP
3rd Place in 09' Pax Championship/Driver of the Year
2012 Northeast Divisional Champion in ESP