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2003 GMC Yukon Power Programmers & Performance Tuners

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Latest Customer Reviews

Bully Dog GT Platinum 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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Hypertech Max Energy Programmer Reviews


I'd buy it again

Reviewed By joe k (Davison, MI) Reviewed for a 2003 GMC Yukon —4/21/2014 8:17 PM

I like the Hypertech it was a little tricky to install the program but once I got it figured out....its well worth it...def noticed a difference.

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Jet Performance Programmer Reviews


great programmer

Reviewed By jonpaul y (Dover, FL) Reviewed for a 2002 GMC Yukon —5/28/2011 10:31 AM

put it in my truck right away the improvement was great the fuel improvement was about 2 to 3 mpg and proformance was great.

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