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2002 GMC Yukon Performance Chips & Programmers

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


02 Yukon Denali

Reviewed By Brian A (CANDLER, NC) Reviewed for a 2002 GMC Yukon —11/9/2012 8:57 AM

Very happy with the cortex. Simple to use and nice well crafted product. It did everything advertised. When using the performance program make sure to use premium fuel, it definently made a difference

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Jet Performance Programmer Reviews


great programmer

Reviewed By jonpaul y (Dover, FL) Reviewed for a 2002 GMC Yukon —5/28/2011 10:31 AM

put it in my truck right away the improvement was great the fuel improvement was about 2 to 3 mpg and proformance was great.

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Jet Performance Module Reviews


Amazing, Inexpensive Real Power!

Reviewed By Robert L R (VALLEY, NE) Reviewed for a 2000 GMC Yukon —2/12/2016 9:15 AM

This is by far the first, best upgrade I've made to my Denali! Fairly easily installed (no thanks to GMC) and my 5.7 Vortec started right up with no codes. I experienced immediate increases in throttle response and overall power and drivability. Unbelievably, after a week or so of driving the vehicle, the power and responsiveness approved again! Puts me in mind of the old EPROM chips. I highly recommend this product to anyone looking for low dollar extra horses and low-end torque !

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