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Hummer H3 Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


jet chip

Reviewed By rex y (Churubusco, IN) Reviewed for a 2007 Hummer H3 —2/2/2018 1:42 AM

This jet chip was easy install,seems to smooth engine out, notice more torque.

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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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DiabloSport Predator P2 Tuner Reviews


tuner p2

Reviewed By Steve S (NEENAH, WI) Reviewed for a 2007 Chrysler 300 —5/29/2018 7:05 AM

it works great to bad it doesn't have egr shut off anymore.

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Year Range For Hummer H3 Performance Chips & Programmers