Reprogramming your vehicle to get the most horsepower and torque that's available is as simple as pushing a button with Hypertech's Power Programmer III . You just plug the programmer into the diagnostic. Used for 2003–2004 Dodge Ram 5.7L Hemi 1500/2500/3500.. with gasoline engines. Reprogramming your vehicle to get the most horsepower and torque that's available is as simple as pushing a button with Hypertech's Power Programmer III . You just plug the programmer into the diagnostic port under the dash and it instantly decodes your vehicle's VIN before downloading the power tuning program that's specifically tailored for your car or truck. Now you can choose programs that will enable to run on premium grade gasoline without detonation, maintain correct speedometer calibration after making gear ratio changes or installation non-stock size tires. You can return to the original factory program at any time. Car parts

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