Power programmers offer the best power per dollar. A system like this one from Hypertech, offers improvements in power and fuel economy using a variety of low and higher octane fuel levels.

We put Hypertech's Power Programmer III for C4 Corvettes to the test on the dyno and at the dragstrip with our 1996 Chevrolet Corvette - Vette Magazine ...

The Max Energy Power Programmer comes with the programmer, data-link connector cable to connect to your vehicle, a CD containing a computer program for your PC to enable you to download upgrades ...

The Hypertech Max Energy Power Programmer has three tuning choices-Stage 1, Stage 2, and Stage 3-each setting more aggressive than the previous one.