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Hummer H2 DiabloSport Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport PC Interface - USB Cable Kit Reviews


Awesome piece of equipment but not for the novice.

Reviewed By Randy L (Orlando, FL) Reviewed for a 2003 Hummer H2 —6/21/2011 7:53 AM

Awesome piece of equipment but not for the novice. This tuner has the ability to fine tune almost every aspect of your vehicle. Without knowledge of the items it can tune for you I suggest: either use the installed program or download a proven program, or change it 1 increment at a time and thoroughly test the tune before adjusting again, just to avoid costly damage no covered by any warranty. Monitor the settings with the unit and create a log file and keep it for reference. With oversize tires, cold air induction, and cat back exhaust and predator i am able to improve my gas mileage by over 4.4 mpg with in town driving. And performance thru the roof :-)) AUTOANYTHING was GREAT TOO!

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DiabloSport inTune I-1000 Tuner Reviews


Chevy 5.3

Reviewed By Niel G (LONG LAKE, MN) —4/28/2015 1:14 PM

To early to tell seems to get better gas economy , more power at lower peddle position

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DiabloSport Trinity T-1000 Programmer Reviews


overall good

Reviewed By Scott D (LEXINGTON, SC) Reviewed for a 2009 Chevy Silverado —4/7/2015 2:05 AM

Did what I wanted it to do. Get rid of chevy's mistakes.

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