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GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

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


Noticable gains

Reviewed By Thomas P (BAKERSFIELD, CA) Reviewed for a 2005 GMC Sierra —12/11/2017 5:10 PM

The speed and power gains were extremely noticable. Worth the money.

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


Can tell a difference

Reviewed By damon s (HENRYVILLE, IN) Reviewed for a 2009 GMC Sierra —11/22/2017 5:50 AM

Missed out on AutoAnything $50 rebate by 4 days:(! Make sure to have battery booster just in case. Bullydog updater not compatible with Mac, took multiple attempts to get the new download to the microSD card or for the pc to recognize the card.

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Edge Evolution CTS2 Programmer Reviews


Best investment

Reviewed By Andrew M (New Milford, CT) Reviewed for a 2017 GMC Sierra —5/9/2017 4:20 PM

By far best mod done to my 2017 Sierra Denali 6.2, made throttle response so much crisper. Just having an issue with the performance tune, but edge has the best customer service so not worried

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