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Hummer H3 Jet 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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Jet Performance Programmer Reviews

Absolutely in love!

Reviewed By Jeffrey C (MADISON, TN) Reviewed for a 1998 Chevy C/K 1500 —10/12/2015 8:14 PM

worth every penny! It gave me a lot more gains in hp than I was expecting. I would recommend to anyone!!

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