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GMC Sierra Hypertech Performance Chips

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Reviewed By Trever R (CASCADE, WI) Reviewed for a 2015 GMC Sierra —7/7/2015 8:21 PM

The product was a bit confusing to downloading updates. After 2 times I finally got it installed in my 2015 truck. It activates a DTC on stage 3 and shuts the truck down. Removed tuning and called hypertech. They said I can only use tuner on stage 2 until they come up with an update.

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Hypertech Speedometer Calibrator Reviews

If it sucked,at least it would be good for something

Reviewed By Jimmy E (LONGVIEW, TX) Reviewed for a 2009 GMC Sierra —3/16/2015 8:33 AM

Started off with the Hypertech inline speedo calculator,it recalculated speedo,but ABS had problem with incorrect speed,call tech with problem,they said I needed the Reprogrammer732501,after uploading program for my truck,it wont communicate,called Hypertech,it isn't compatible with 4.3 V-6,something I stated when I called you guys about because it wasn't listed as an option in the catalogue,but your salesman said that it would work,and that you needed to update the listing,but it wont work

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Hypertech Max Energy Programmer Reviews

Tuner for speedo correction

Reviewed By Roger G (SAINT SIMONS ISLAND, GA) Reviewed for a 2004 GMC Sierra —7/2/2015 4:55 AM

I was very pleased with the ease of use of this tuner. I bought for my speedo correction after a rear end gear change and a tire change. When I programmed everything the speedo was dead nuts on to my GPS. 5 miles later my ABS and brake warning lights come on. Called hypertech... said it was a known fault of the abs gm computer and I would have to continue to input tire size until I got within 10% of the front to rear wheel speed. I dropped it 1/2" and speedo is off by 1.5 mph @60mph. Recommend

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