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Hummer Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


H3 Stage 2 Jet Performance Module

Reviewed By Gary M (Kissimmee, FL) Reviewed for a 2008 Hummer H3 —3/13/2016 9:03 AM

Easy to fit and this is a step up from Stage 1 as I've fitted a new thermostat, air intake system and a Magnaflow exhaust. All seems to be smoother now that it's fitted.

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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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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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