Average Reviews:
(More customer reviews)This was installed on my 2009 2500HD 6.0L gas truck. Worked great to fine tune my speedo as I have larger that OEM tires on the truck. Gas mileage increased slightly 1 mile per gal. at best. There is no "throw you back in your seat" kindda power but I did notice that it can hold highway speeds better when towing a load. What I mean by that is there is less down shifting when going up hill so more torque is what I can notice. I would buy again if I had to do over. I did have to download a update via computer before I could program my truck so a little computer experience is needed, but not hard to do.
Click Here to see more reviews about: Hypertech 32004 Max Energy Power Programmer for 2007-2009 GM Gas Truck/SUV - 4.8/5.3/6.0L
Max Energy Tuning extracts every bit of energy possible out of every molecule of fuel giving you more miles at part-throttle and more power at wide-open throttle. With the additional power and optimized transmission functions, drivers use less fuel to accelerate and maintain cruising speeds without the torque converter un-locking and transmission down-shifting to a lower gear. The results are maximum power and fuel mileage. For vehicles that come from the factory capable of using regular octane fuel, two optimized tuning programs are provided: one for premium, and the other for regular. In most cases, Hypertech's exclusive Power Tuning for regular octane provides excellent power gains, almost as much power as premium octane. Only one Power Tuning program is provided for vehicles that were designed from the factory to use only premium fuel.
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