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Hummer H3 Hypertech Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Hypertech Max Energy Programmer for 2008 H3 Hummer 3.7L

Reviewed By Shawn J (CLOVIS, CA) Reviewed for a 2008 Hummer H3 —8/13/2014 11:57 PM

I wanted something that I could program myself instead of sending of my PMC to someone eles to program. I was able to change my tire size to compensate for the 33in tire I installed, also was able to change my shift point and shift firmness as well. It also came with two performance setting, an 87 and a 91 octane. I used the 87 octane in my 3.7 liter and I got a boost in performance and mileage as well. Which made me very happy.

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Hypertech Speedometer Calibrator Reviews


Adjusted my speedometer

Reviewed By Mario L (GULFPORT, MS) —4/26/2015 5:33 PM

I'm slightly off but I need to readjust it thats all. Corrected my shift points and installation was simple. Super easy to use and program. Instructions are slightly vague but its not too hard to figure out.

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