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GMC Sierra DiabloSport Performance Chips

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Latest Customer Reviews

DiabloSport inTune I-1000 Tuner Reviews


great tuner with cutom potential

Reviewed By John P (West Hartford, CT) Reviewed for a 2011 GMC Sierra —8/7/2014 12:07 PM

great programmer, Huge improvement. loving it. initial computer setup/update takes a while, be patient.. before i had the Hypertech Max Energy and wasnt that happy with how little customization the Hyper allowed. this has all the features of the Hyper and more.. speedometer calibration for new gears/tire size, disable AFM (DOD V4 mode) adjust shift points, Adjust shift firmness, it has several great preset tunes and the biggest selling point was ability to get a custom tune www.diablewtune.com

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DiabloSport Trinity T-1000 Programmer Reviews


Great

Reviewed By Colt T (Paradis, LA) Reviewed for a 2008 GMC Sierra —9/1/2013 10:46 AM

Lots of power and I like the customizable gauges.

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DiabloSport inTune I-1000 Tuner Reviews


Great Tuner

Reviewed By Donald P (Pinetops, NC) Reviewed for a 2008 GMC Sierra —7/27/2014 3:52 PM

Installed on a 2008 GMC Sierra 1500 6" lift 35's Big improvement in power. Easy install.

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