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Hummer H3 Superchips Performance Chips

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Latest Customer Reviews

Superchips Flashpaq Tuner Reviews


Very Pleased with results

Reviewed By Thomas B (Rockaway Park, NY) Reviewed for a 2008 Hummer H3 —7/29/2014 5:06 AM

I had purchased other brands before for different cars and they were not that great so I was skeptical. I am very happy with the boost in performance this gave to my H3 5.3L V8. It has a much more responsive feel with firmer shifts which I like. So far I've only had time for the 87 Octance Performance Tune but I want to give it some testing time. Not only is performance better but it added 1/2 MPG to my average at the same time. Can't wait to try the other features.

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Superchips Cortex Programmer Reviews


best increase for performance for the $

Reviewed By Terry S (Rochester, NY) Reviewed for a 2009 Hummer H3 —11/2/2009 11:13 AM

The ease of the installation is hard to believe. Then you start up your car , and away you go. The instant I took off in my hummer I had a huge smile on my face. I then took my daughter for a ride and watched her face as I gave my truck somme juice---and she said " dad what did you do to "Jake" [my trucks name} "? I told her about your programer, she said " AWESOME" !

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