BEST PERFORMANCE CHIP FOR GAS AND DIESEL?

THE ONLY DEALERS AROUND ME ARE HYPERTECH, BULLY DOG, SUPERCHIPS, AND SCT. WHICH ONE GIVES THE MOST HORSEPOWER AND TORQUE FOR BOTH GAS AND DIESEL VEHICLES?BEST PERFORMANCE CHIP FOR GAS AND DIESEL?
well depends what you have hypertech is for tuners (i own one)very good chips add alot of power to my eclipse......Bullydog is good for all types of gasoline trucks/suvs engines (specfically for pulling and towing).had one for my s10.....And superchips are for almost any diesel engines..(never owned one)....so you decide?BEST PERFORMANCE CHIP FOR GAS AND DIESEL?
BULLYDOG

english to arabic