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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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Superchips Flashpaq Tuner Reviews


very pleased!

Reviewed By yancey g (Oneida, WI) Reviewed for a 2001 GMC Yukon —12/16/2014 5:54 PM

Easy to use, better mileage, more power, and a low price, what's not to like about this tuner!?

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