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2002 GMC Yukon XL Performance Chips & Programmers

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Latest Customer Reviews

Hypertech HyperPAC Reviews


Met Expectations

Reviewed By Lernes H (Woodbridge, VA) Reviewed for a 2002 GMC Yukon XL —7/20/2010 8:18 PM

-idiot proof installation -tremendous flexibility -improved performance -gadget lovers dream

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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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