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2004 GMC Sonoma Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Programmer Reviews


Amazing Product!!

Reviewed By Judy W (Hurst, TX) Reviewed for a 1998 GMC Sonoma —4/1/2010 9:19 PM

i have a 98 GMC Sonoma with a 4.6 (V6)and you can hear it grab second gear! but if you dont like the way it set up itself you can go back and customize each and every set up (tire size, gear ratio, rev, speedo, shift fermness and alot more!!) if i was a Kindergarden teacher i would give it a GOLD star!!!

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Jet Performance Module Reviews


Suprising Electronic

Reviewed By Justin W (Livonia, MI) Reviewed for a 2001 GMC Sonoma —12/16/2009 2:44 AM

I was very scared at first, the module is made of plastic and trying to secure it into the ECM was nerve crunching at the thought of snapping the plastic. After a hard start, the module adjusted the factory settings and damn, I was off. At an average I dropped off a second and a half on my 0-60, haven't tried the 1/4 Mile yet. I'm interested to see. Any Fuel Injected vehicles NEED this chip!

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Hypertech Max Energy Programmer Reviews


The old gas hog!!!

Reviewed By Steve G (SHAWNEE, KS) Reviewed for a 2004 GMC S15 Pickup —6/13/2015 12:07 AM

I like the programmer, I wish it could do more to help or improve the gas mileage on my truck! 16 MPG before the installation, and 18 mpg after the installation.The increase was and is appreciated, I would like 24 or 25 MPG even better.I guess you can only do so much, with what you have to work with.

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