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GMC Jimmy Power Programmers & Performance Tuners

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Latest Customer Reviews

Jet Performance Programmer Reviews


Works great!

Reviewed By Michael R (BOKOSHE, OK) Reviewed for a 2013 GMC Sierra —8/9/2013 9:23 PM

Easy to program and the options are awesome! There are a lot of different options available and it only takes about 15 minutes to program everything you want. The best thing is you can remove the speed limiter. I have gained about 3-4 mpg on 89 octane. I'm going to program it for 91 and see how it goes. This is well worth the price!

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Hypertech Max Energy Programmer Reviews


max energy tuner

Reviewed By Michael W A (Livingston, TX) Reviewed for a 2012 GMC Sierra —8/8/2013 3:54 PM

purchased a Max Energy tuner for my 2012 3500HD with the thought of gaining a little more response at take off. The product works as advertised if you are pretty happy with the overall performance and small increase in fuel mileage, about .5mpg towing at 29000 lb. It only adds a little power and overall performance, not something that will cause problems down the road. It did what I was after. This is the 7 Hypertech tuner I have purchased and not one of the engines have failed. Good Product.

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Hypertech Max Energy E-CON Reviews


Hypertech Econ Programmer

Reviewed By David O (DICKSON, TN) Reviewed for a 2010 Ford F-150 —5/21/2013 7:44 PM

This programmer is easy to use and seems to increase power and gas mileage. My estimate is 1.5-2 mpg more and I could feel and hear a difference in performance. I would recommend this to anyone trying to squeeze more mpg's out of their vehicle.

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