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GMC Yukon XL Performance Monitors

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Latest Customer Reviews

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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DiabloSport inTune I-1000 Tuner Reviews


DiabloSport Intune I-1000

Reviewed By nathaniel m (CLINTON, MD) Reviewed for a 2005 GMC Yukon XL —1/19/2013 8:31 AM

This unit was simple to install as well as downloading the updates for my 2005 Yukon Denali XL. Yes, i get quicker response, it recalibrate my speedo & max out my speed. Great unit to have when you are dealing w/ stock and aftermarket, like myself.

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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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