The Hypertech Max Energy Power Programmer extracts every bit of energy possible out of every molecule of fuel, giving you more miles per gallon at part throttle and more power at wide-open throttle. This programmer has tons of features to tune your Magnum the way you want it.

• Raise the top-speed limiter to match the speed rating of high-performance tires
• Raise the engine's rpm limiter for increased performance
• Adjust individual automatic transmission shift points and increase shift firmness
• Recalibrate speedometer and odometer for nonstock tire sizes and / or rear gear ratios
• Lower the cooling fan on / off temperatures to match thermostat rating
• Read and clear diagnostic trouble codes and turn off check engine lights
• Return the vehicle back to the stock settings or change option settings at any time
• Allows software updates online (USB cable included)
• Works with both 87 and 93 octane gasoline

No more having to pay a performance shop to make tuning upgrades for you. Now make dyno-proven performance calibrations with this easy-to-use performance programmer, all from the comfort of your driveway.