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Hummer H3 Power Programmers & Performance Tuners

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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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TruXP Xtune Plus Performance Tuner Reviews


Pretty good!

Reviewed By Jeremy V (DALHART, TX) Reviewed for a 2006 Chevy Silverado —1/13/2018 2:37 AM

So far it has worked on the settings I've chosen but still have yet to try other settings...update later on!!

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Superchips Flashpaq F5 Tuner Reviews


Tuner novice

Reviewed By Cornelius C (LEBANON, TN) Reviewed for a 2014 Chevy Silverado —1/2/2018 8:15 PM

2014 Silverado LTZ. I initially bought the tuner to turn off the AFM system. But being able to some what customize some of my truck's features, I've noticed a big difference in HP for the 91 performance tune. I really like being able to read and clear a code that comes and goes on the truck (P050D). Only disappointment is I've yet to notice any difference in gas mileage. I may try the 87 octane tune in a month or so. It takes all of 15 to set up. I do suggest updating software before using it.

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