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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 F5 Tuner Reviews


Pleasantly pleased

Reviewed By Bruce C (Tacoma, WA) Reviewed for a 1999 Dodge Dakota —7/17/2017 10:24 PM

I received the F5 quickly. I read the directions and plugged it in my truck. It is very simple to use and I tuned the truck quickly. Now driving it is different. It is peppier and my fuel average went from 11mpg to 16mpg. It's a Dodge Dakota with the big v8. I will set it to towing when I pull my trailer and I'm thinking it will have better power on the hills and better mpg too. I would recommend this product to anyone.

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Superchips FlashCal F5 Calibration Tool Reviews


Bigger tires, changes gears? You need this!

Reviewed By Ala eddin M (DENVER, CO) Reviewed for a 2015 Jeep Wrangler —5/10/2017 8:08 AM

This tool worked well for my 2015 Jeep Rubicon Unlimited. I recently upgraded the tires to 35" and the tool worked flawlessly to set the speedometer to reflect the new tire size. This is vehicle VIN specific; once it reads your Jeep's VIN its locked to it.

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