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GMC Yukon XL Superchips Performance Chips & Programmers

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


Great Product

Reviewed By John C (Stamford, CT) Reviewed for a 2004 GMC Yukon XL —6/19/2012 9:49 PM

I own a 2004 Yukon XL Denali and initially it could not communicate with the car; however, after 5 minutes on the phone with a Superchip representative I found out what fuses to pull and easily tuned my truck. It is now running tip-top shape in performance mode and in gas saver mode, responding beautifully with 3mpg increases. Thanks AutoAnything!

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Superchips Flashpaq Tuner Reviews


2014 F150

Reviewed By James P (Palmetto, FL) Reviewed for a 2014 Ford F-150 —5/19/2015 9:21 AM

Since I installed the CAI, SIDO exhaust, Larger tires... I wanted to adjust for speedo & Odometer. Also wanted shift points adjusted. This device did all I needed. I was not looking for custom tuning. I am very satisfied with the results

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