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1999 GMC Yukon Performance Chips & Programmers

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Latest Customer Reviews

Edge Evo HT Tuner Reviews

99 yukon 5.7L with no cats

Reviewed By jonathon t (ONTARIO, CA) Reviewed for a 1999 GMC Yukon —3/13/2014 8:16 PM

I towed my cousins car on my trailer had lots of power considering how much weight. My Yukon is lifted 6 inches with 35 inch tires, not geared just exhaust and chip. Helped out a lot! Only issue was fuel consumption on extreme performance mode, but would be fun off roading

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Jet Performance Programmer Reviews

Very Happy with Jet Performance Programmer

Reviewed By Mark D (Tinley Park, IL) Reviewed for a 1999 GMC Yukon —6/7/2007 12:42 PM

I gained 3 mpg towing my travel trailer. I also have better performance from my truck. I only wish I was able to adjust the engine settings myself instead of having to use Jet's built in engine settings.

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TruXP Xtune Performance Tuner Reviews

Tuner works fine

Reviewed By Keith B (New Berlin, WI) Reviewed for a 2008 GMC Yukon —9/4/2015 5:07 PM

The tuner works fine on my 5.3L GMC, but I was unable to get the Software to work, even after contacting Edge the maker of this product. I really only wanted to be able to disable the Active Fuel Management, but this unit does so much more.

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