Superchips programmers lead the world in performance tuning technology for gas and diesel equipped vehicles. The Cortex, Superchips' newest tuner, offers even more capabilities and flexibility for performance tuning of late model vehicles with new technologies including internet upgrades, downloadable custom tunes, and data logging capabilities. Installing Superchips' proven performance calibrations simply requires plugging the Flashpaq power programmer to the vehicle's diagnostic port in the passenger compartment - you never have to raise the hood. With Superchips tuning you will immediately feel the power and performance improvement, and under some driving conditions experience improved fuel economy!