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2004 Hummer H2 Power Programmers & Performance Tuners

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


Thank you

Reviewed By Austin M (New castle, DE) Reviewed for a 2004 Hummer H2 —1/17/2014 10:25 PM

Very pleased

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Superchips Flashpaq F5 Tuner Reviews


F5 Tuner

Reviewed By anthony l (MARTINEZ, CA) Reviewed for a 2007 Hummer H2 —2/2/2017 11:27 AM

I like how much faster the F5 is compared to the F4 . It has better graphics than the F4 and is just a good product overall and it made my truck a lot better to drive with more power and better shifts. I have a cold air intake , cat back exhaust which makes this tuner work even better.

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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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