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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 Max Energy 2.0 Programmer Reviews


Better than Bully Dog

Reviewed By Jonathan W (Killeen, TX) Reviewed for a 2015 Chevy Silverado —6/21/2016 4:47 AM

I had bully dog before this one and it took me and my truck through the ringers. This product I should have stuck with since my first use in 2004. I love this product and will recommend to anyone.

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Hypertech Speedometer Calibrator Reviews


Worked well!

Reviewed By Shane P (MOORE, OK) Reviewed for a 2015 Chevy Silverado —6/10/2016 4:39 PM

Worked as advertised. My calculations say my tires are 34". With truck weight they measure about 33.5. That is the number I used and it put GPS spot on. Truck seems to be shifting back into 4 cal mode more regularly now helping to boast mpg. Worth the investment.

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