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GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


good programer

Reviewed By aaron k (Kalamazoo, MI) Reviewed for a 2011 GMC Sierra —3/9/2017 3:50 PM

i entered the 93 octane tune into my 2011 GMC Sierra along with a K&N air intake system, and I felt an immediate change in performance. the truck responds to the throttle much better, and I'm getting 2.5 more miles to the gallon.

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Hypertech Max Energy Programmer Reviews


Great deal

Reviewed By Brandon T (WINFIELD, MO) Reviewed for a 2010 GMC Sierra —1/15/2017 2:59 AM

Best deal I could find for this product. Product performs great and I couldn't love it any more.

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Hypertech Max Energy 2.0 Programmer Reviews


The Original Programmer

Reviewed By Justin H (LITTLE ROCK, AR) Reviewed for a 2014 GMC Sierra —8/30/2016 3:55 PM

I have been buying hypertech for many years great programmer.

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