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2007 Hummer H3 Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


Questioning whether to buy it?

Reviewed By Cameron S (PENSACOLA, FL) Reviewed for a 2007 Hummer H3 —11/20/2012 5:55 PM

For GM trucks it's difficult to install due to the small space (30 min. install). After 2 days I noticed performance increase- smoother shifting at different rpm points, more horsepower. DON'T BUY THIS TO SAVE FUEL- it might save you 1 mpg if you're lucky and drive normal, but you'll be wanting to "test" it out so much you'll start loosing fuel mileage. I have this with a JET MAF sensor and a K&N cold air intake all recently installed- total extra mpg w/ everything 3mpg but a big notice in HP.

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ScanGauge OBD II Scanner Reviews


Lots of options

Reviewed By Kenneth F (HENDERSON, KY) Reviewed for a 2011 Ford Ranger —4/15/2015 4:25 PM

Really a nice device. I am amazed at all you can monitor with it. My main reason for purchase was to monitor the transmission temps when towing my 17 ft travel trailer. But I'm also monitoring fuel mileage and throttle position. I only gave 4 stars because the included velcro for mounting allows for too much vibration. Replaced it with a 3M Command strip refill.

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Edge Insight CS/CTS Monitors Reviews


Awesome

Reviewed By Zyon R (FAIRVIEW, MT) Reviewed for a 2002 Chevy Silverado —4/13/2015 12:58 AM

Does everything I wanted it to. Would buy again.

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Year Range For Hummer H3 Performance Chips & Programmers