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2006 GMC Yukon XL Performance Chips & Programmers

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


Works very well in all modes

Reviewed By William J M (Moncks Corner, SC) Reviewed for a 2006 GMC Yukon XL —11/23/2009 6:07 AM

I like the box so far. I've run all modes at times and like the benefits of each application. I am going to most likely run 87 octane setting. Have a custom tire size entered. That was such a NICE feature. Have modded the shift pressures and points in a custom config. Overall, I am happy with the product. GLiDE

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


Bully Bully for Bully Dog - I Like This!

Reviewed By Thomas F (HUNTSVILLE, AL) Reviewed for a 2004 GMC Yukon XL —11/27/2013 3:51 PM

I chose BDog because it would also display tranny temp. I've been towing a 24', 4900 lb RV with a Yukon. Upgraded to a 34', 7400 lb RV. Pulling the old RV, I got 10.3ish MPG (w/o BDog). I installed the "tow" program & towed the newer RV & added 2 kayaks on top of the GMC and got 11.2ish MPG. On the hwy not towing, my MPG went from 17.9ish to 20.1ish MPG (using the GMC trip comp). On my GMC, you have to remove fuses to program the BDog but just install "tow" & leave it, no reason to change.

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Jet Performance Module Reviews


What a difference!

Reviewed By Julian P (Newark, NJ) Reviewed for a 2009 GMC Yukon XL —3/26/2013 3:56 AM

I installed the Jet Performance Module in my Escape. Noticed better pick up and makes the auto shift so much better and smoother. Also install K&N 77 Series Metal Intake Kit Very easy to install ! Looks greats ! You can feel the difference in the power right away also sounds great.

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