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GMC Yukon XL Power Programmers & Performance Tuners

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

AFM Disable Device functionality

Reviewed By Alan S (CROSSVILLE, TN) Reviewed for a 2015 GMC Yukon XL —10/30/2015 8:37 PM

The device did exactly as described; plug it in and the AFM is immediately disabled. The only problem I am having with my device is it does not always work when starting the vehicle. I must unplug it from the port, wait a few seconds, and reinstall. This immediately brings it back to life. My fuel mileage is almost identical, and the vehicle operates much nicer now that the V4 does not engage.

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Bully Dog Triple Dog GT Tuner (49-State Legal) Reviews

Great results EPA and performance!

Reviewed By Anthony L (Gig Harbor, WA) Reviewed for a 2000 GMC Yukon XL —10/7/2015 8:47 AM

So far I have put about a thousand miles on my 2000Yukon XL with the bullydog and fuel averages went from fifteen to eighteen combined with a noticeable difference in performance of throttle response. It seems like in time the Bullydog will pay for itself and make the truck more usable with both power and MPG increases. Auto anything did a great job on price and getting it here quickly once again. I would definatly recommend this product to anyone and suggest auto anything as he place to get it.

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Superchips Flashpaq Tuner Reviews

The BEST Tuner Available!!!!

Reviewed By jaime f (Antioch, CA) Reviewed for a 2002 GMC Yukon XL —6/25/2015 9:55 AM

Compared the fashpaq tuner to others on the market and this is the best product for the price! Does it all! AutoAnything has the best prices than their competition by far! Great job guys!

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