dont do it... i did that mod to my car and it threw me a lean code on my EEC for over a year!!!!!!!!! it was because it advanced my timeing TOO MUCH!!! dont do it, the only way i could get my EEC fixed was to get my chip which i have now. Everything is all good, but dont buy that, its worthless. It does jack **** to you car and throws a check engine light code!!! dont do... i repeat dont do it!!