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GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Works as advertised

Reviewed By Clayton U (HUNTSVILLE, AL) Reviewed for a 2009 GMC Sierra —5/18/2016 6:29 AM

Works as listed. Easy to plug into service port. Engine seems to run smoother especially when shifting at slow speeds. Have not noticed any appreciable difference in MPG. Also have not noticed any battery drain by leaving it plugged in.

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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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TruXP Xtune Performance Tuner Reviews


Great!

Reviewed By Samuel V (CARTHAGE, TX) Reviewed for a 2006 GMC Sierra —4/17/2016 11:19 PM

Does what it says but no more, over all satisfied

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