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2011 GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Works better than expected

Reviewed By Eric R (FOREST LAKE, MN) Reviewed for a 2011 GMC Sierra —4/7/2018 6:04 PM

No more v-4 mode and fuel mileage hasn't changed at all. also there is no issue with battery drain on my 11 GMC Sierra. It sits for a week or more and always starts no problem. No lights are on this device when the ignition is off

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Superchips Flashpaq F5 Tuner Reviews


SuperChips Flashpaq F5

Reviewed By Donald E (Gilbert, AZ) Reviewed for a 2011 GMC Sierra —2/27/2018 8:23 PM

Bought this to turn off AFM. Only tried fuel save flash with AFM disable, and MPG has decreased slightly. Have always had good mileage as I drive with light foot. Mostly stop/go so far, so jury is still out on highway MPG...

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Hypertech Max Energy Programmer Reviews


Satisfied overall

Reviewed By Jeremy M (Barker, NY) Reviewed for a 2011 GMC Sierra —1/1/2018 11:00 PM

Had to install upgrade out of the box which was a little frustrating, but not difficult. Getting through the tuning install was very easy as the unit guides you through step by step. Changes in performance are very noticeable and there are many options to choose from. Overall appearances are nothing special but the unit isn't dash mounted, unplug and store the handheld unit in between tunes. One thing that was very disappointing was when I dropped the handheld unit from table height,case split

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