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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

Worked after trying different tire heights

Reviewed By Matthew E (RENO, NV) Reviewed for a 2016 Dodge Ram —10/25/2016 8:13 AM

So it works great, but required trying different tire heights to get it right. First I compared speeds using my hand held GPS unit and it was off after entering the manufacturer spec of my tire. I learned this is not the height I should use, but rather the height of the tire measured from the ground to top of tire with weight of the vehicle on it. My tire according to the manufacturer measures 33.98", however with the weight of the truck on it, it actually measures just under 33".

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Hypertech Max Energy 2.0 Programmer Reviews


Reviewed By Michael H (HAMILTON, OH) Reviewed for a 2009 Chevy Silverado —10/8/2016 3:57 PM

Bought this to get rid of the AFM so far it is Great no delayed throttle response anymore. I have my truck set up for premium fuel it runs great like driving a different truck no comparison. Can't beat it for the price be careful when looking at other programmers this one has a lifetime warranty most others only have 1 year. That just tells me that this company stands behind there product.

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