Ok I am kinda new at this so please be understanding. I did a search as well and really did find much info. I am about to get my car dyno tuned and the guy doing it is a firm believer in diablo stuff but mentioned that our cars do better with a SCT tune. Why is that? Is there any difference? The diablo tune will be a little cheaper but will it be as good as the SCT tune. I don't know I just don't want to make a mistake and miss out on some more hp. He swears that I probably wouldn't be able to notice the difference. Since my car goes dead atleast 4 times in the morning and stalls out at every red light. I guess either one would still do me a world of good right? Please help me out. thanks a million