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GMC Sierra Hypertech Gas Saving Products

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


2014 sierra

Reviewed By Spencer M (Orlando, FL) Reviewed for a 2014 GMC Sierra —3/20/2015 8:18 AM

worked great. 7 inch lift and 35" tires, recalibrated for proper speedometer and tachometer.

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Hypertech HyperPAC Reviews


Towing power

Reviewed By matt e (STANARDSVILLE, VA) Reviewed for a 2004 GMC Sierra —8/26/2013 1:47 AM

The HyperPAC system is a great up grade for any type of driver. Because it gives noticable power gains as well as improved MPG Hands down great product!

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