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GMC Sierra Hypertech Performance Chips

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews

Easy to use and install

Reviewed By Earl M (SAINT AMANT, LA) Reviewed for a 2015 GMC Sierra —7/18/2014 2:58 AM

I was able to change my tire size and add plenty power

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Hypertech Max Energy Programmer Reviews

good simple tuner

Reviewed By John P (West Hartford, CT) Reviewed for a 2011 GMC Sierra —7/16/2014 10:00 PM

This is a great little tuner.. SUPER SIMPLE to install literally just plug it in and it walks you through step by step it automatically saves your factory settings so you cant screw things up nice features like tire and gear changes it doesn't have a ton of customization noticed mostly mid range and top end power ill warn you... unless you want to run 93 octane in every tank, dont even try the premium tune.. its definitely better!!

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Hypertech Max Energy Programmer Reviews

It dose the job

Reviewed By Thomas C (Mount Airy, MD) Reviewed for a 2006 GMC Sierra —6/18/2014 6:32 AM

I am happy with this product. It is easy to use. It definitely helped improve the performance of my truck using the premium fuel program. I added a CAT back MBRP exhaust system around the same time. Throttle response is much better. I was get about 15 mpg (mixed loop driving) before doing any upgrades I am now getting about 17 mpg. Straight highway driving a can get up to 18-19 mpg. The only little bug I am in the process of working out is DTC C0035 and C0040. over all I am happy

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