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GMC Yukon Bully Dog Performance Chips & Programmers

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Latest Customer Reviews

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


2003 yokon 5.3

Reviewed By William L (Superior, WI) Reviewed for a 2003 GMC Yukon —9/10/2015 5:58 PM

WoW! I went from 12.5 to 16 in the city, using 91 oct on performance mode, shift points firm. Versus 87 oct in stock. It's how you drive it that matters. The driving coach is way cool. And it's fast too!

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Bully Dog Triple Dog GT Tuner (50-State Legal) Reviews


Oh my WHAT A DIFFERENCE

Reviewed By Brandon W (SACRAMENTO, CA) Reviewed for a 2006 Ford Mustang —5/12/2016 10:51 PM

One of the best decisions I have made as far as upgrades go! Well worth the money!

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