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GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


hypertech 2014 gmc 1500

Reviewed By C. S (cheyenne, WY) Reviewed for a 2014 GMC Sierra —4/18/2015 8:21 PM

Bought this to correct my speedometer and to get a little more power. I had to update the software on the programmer but after that it was easy to install and use. Good value.

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Range Active Fuel Management Disable Device Reviews


Good So Far

Reviewed By Michael S (MONTEVALLO, AL) Reviewed for a 2009 GMC Sierra —4/17/2015 9:53 AM

I've noticed smoother shifting with this device,as well as full time V-8 power when climbing hills or passing.I haven't noticed any mileage changes,and cannot comment on the oil consumption issue until I've driven the truck longer(oil consumption is an issue related to the active fuel management system).I have recommended this device to other truck owners.

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DiabloSport inTune I-1000 Tuner Reviews


lots of adjustments

Reviewed By daniel b (akron, NY) Reviewed for a 2014 GMC Sierra —3/25/2015 3:07 PM

pretty nice tuner for the money. a bit complicated without much info sent with the tuner to know what some changes are. iv had three different Hypertech programers over the years and feel this has a more noticeable power improvement.

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