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Hummer H3 DiabloSport Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


So far so good.

Reviewed By Bruce K (LYNDON STATION, WI) Reviewed for a 2013 Chevy Silverado —5/22/2017 8:28 PM

I just dropped the 87 Octane tune with firm shifts and turned off AFM. The truck shifts smoother and it seems to have helped a lot with the driveline clunk when getting back on the gas after slowing down. A custom tune is in the future.

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