Put the power of a hi-performance tuning garage, a sophisticated dyno tester and an SAE certified mechanic right into your vehicle's cockpit with the Hypertech HyperPAC. Overflowing with features, the HyperPAC gives you 5 modes to do everything from boost your engine's power output to read and clear diagnostic error codes. The HyperPAC's 5 modes (Performance Tuning, Drag Strip, Dynamometer, Diagnostics and Engine Monitor) are custom-tuned for your exact year, make and model. Performance Tuning: the same legendary tuning software used on Hypertech's Power Programmers with control over 3 power stages. Adjust your RPM limiter, shift points, cooling fan on/off temperatures, top-speed limiter and even correct your odometer for non-stock tires. Hypertech HyperPAC, Hyperpac Tuner. For the top selection of Hypertech Performance Chips shop online today. The Hypertech HyperPAC, Hyperpac Tuner will improve and personalize your vehicle. Power Programmers & Performance Tuners by Hypertech - selected by many auto enthusiasts in the top automotive discussion forums. Hypertech HyperPAC for your vehicle will deliver the results you are looking for!