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Hummer H3 Power Programmers & Performance Tuners

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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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DiabloSport inTune i3 Platinum Tuner Reviews


Major improvement!

Reviewed By Logan P (LAS VEGAS, NV) Reviewed for a 2014 Ford Mustang —12/9/2017 10:36 AM

It' was everything I was hoping for. Throttle response, horsepower, fuel accompany.... Just make sure if you go in for smog, set it back to stock a 100 miles or so

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Superchips Flashpaq F5 Tuner Reviews


Coyote tune

Reviewed By Kim R (Littleton, CO) Reviewed for a 2016 Ford F-150 —12/7/2017 12:03 AM

This does e everything its supposed to do. Easy to use and works great with my mods and correcting for oversized tires.I only wish it could get the shift points of the transmission to be a bit more crisp.

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