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Hummer H2 Hypertech Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews

great noticeable power

Reviewed By Brad T (SUNOL, CA) Reviewed for a 2006 Hummer H2 —10/29/2013 6:38 PM

Easy installation, love the auto tranny shift firmness adjustability and yes actually I can notice a performance increase

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Hypertech Speedometer Calibrator Reviews

Even Works With EFI Live

Reviewed By andrew s (St George, UT) Reviewed for a 2008 Dodge Ram —11/16/2015 10:25 PM

I bought this to fix my speedometer on my 2008 Dodge Ram 2500 Diesel. I was running 37" tires and went to 35" tires to fit a spare under the truck. I couldnt adjust my speedometer with EFI Live that I already had, so i bought this. It worked perfectly without having to reset the truck to stock. It took me a while to get the truck perfectly calibrated but now its dead on with my GPS.

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Hypertech HyperPAC Reviews


Reviewed By Dennis H (HAMILTON, MT) Reviewed for a 2004 Chevy Silverado —7/3/2015 8:58 PM

I have it on my 04 chevy 2500hd and I can definitely tell it has a little more kick to now!

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