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GMC Savana Power Programmers & Performance Tuners

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Latest Customer Reviews

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


$$$ saver

Reviewed By RICHARD J (Parachute, CO) Reviewed for a 2005 GMC Savana —7/13/2014 9:25 PM

Big difference in power. I get 3 to 4 mpg more when using performance level.

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Hypertech Max Energy Programmer Reviews


hypertech for 2007 Chevy 2500HD Classic

Reviewed By Larry P (Woodbridge, VA) Reviewed for a 2007 Chevy Silverado —1/28/2010 5:11 PM

I bought this to correct the speedometer. I have a 6 inch lift with 35s. I was hoping to get better gas mileage. I have it set at stage 2. The added hp is great, but I have not seen an increase in mpg.

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DiabloSport PC Interface - USB Cable Kit Reviews


Diablosport Predator

Reviewed By James E (Huntsville, AL) Reviewed for a 2009 Chevy Silverado —1/12/2010 2:44 AM

Installation was easier than expected, took literally 5 min. Can feel power increase and see difference in better mpg. I bought the tuner because you can adjust settings like fuel trims yourself and it will hold custom tunes.

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