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GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Hypertech Max Energy 2.0 Programmer Reviews


The Original Programmer

Reviewed By Justin H (LITTLE ROCK, AR) Reviewed for a 2014 GMC Sierra —8/30/2016 3:55 PM

I have been buying hypertech for many years great programmer.

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DiabloSport inTune i2 Tuner Reviews


i2 Tuner

Reviewed By Nick V (Maurice, IA) Reviewed for a 2010 GMC Sierra —8/30/2016 9:52 AM

Love it!! Easy to use. Definitely feel a difference in the performance of the vehicle.

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Hypertech Max Energy Programmer Reviews


Bill's z71

Reviewed By Bill H (Ponchatoula, LA) Reviewed for a 2011 GMC Sierra —5/13/2016 6:27 AM

So far I like the performance but really didn't get a fuel mileage increase and also needs some better instructions on how to adjust all the settings. For example how to adjust shift points for certain program's

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