I have the Powerchip Gold 93, the ratings are:

236 HP @ 5,500 RPM
252 Lb/Ft @ 3,000 RPM

I really can't comment on gas mileage because I've only had the chip for about a week and it's been pedal to the metal eversince. Once I get over it and return to my normal driving I'll be able to tell you all.

Like I said I don't know the other companies, don't take my word for it, just check their background first, don't take it the wrong way.

Has anyone raced two or more chipped cars with different brands and seen the results? I'd like to know how that goes.