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GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

Better performance

Reviewed By charles s (CUMMING, GA) Reviewed for a 2017 GMC Sierra —6/17/2019 5:47 AM

I use this in my 1500 Denali 6.2. (Mine lights up blue, not red) I was getting some delay as my truck would shift in and out of V8 mode. It was pretty aggravating. Just plug this in, and the truck is instantly more responsive. My gas mileage has seen little to no affect, in fact, I have had a couple of tanks where I got better mileage. For a road trip, I just unplug it, and back to 22mpg. This thing works great, but it does seem a little pricy.

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Hypertech Max Energy Programmer Reviews

Top notch

Reviewed By Jim T (ROANOKE, IN) Reviewed for a 2011 GMC Sierra —4/30/2019 5:30 AM

Exactly what I was looking for in a programmer. It's simple to use if you download and follow the directions. I used one of the preset programs for regular octane fuel and noticed a huge difference in acceleration and performance.

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DiabloSport inTune i3 Tuner Reviews

DiabloSport Rocks

Reviewed By Kirk T (Seneca, SC) Reviewed for a 2015 GMC Sierra —4/10/2019 8:18 PM

I love how my GMC Sierra runs now that I have put a tune in the engine. I really like the ability to turn off the AFM system without having to leave the device in my OBD II port. No power drain on the battery by using this feature on my DiabloSport device. Other tuners do not have this option.

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