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GMC Sierra DiabloSport Power Programmers & Performance Tuners

Powerful and efficient, your GMC Sierra is the ultimate vehicle when it comes to heavy-duty towing. Make your tough truck’s performance even more legendary by adding one of AutoAnything’s GMC Sierra DiabloSport programmers. These high-quality programmers allows you to custom-tune those factory settings and increase your ride’s power and fuel economy.
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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


i2 tuner

Reviewed By John J (LOCKPORT, IL) Reviewed for a 2012 GMC Sierra —12/5/2016 12:21 PM

This was my first time using a tuner and it was very easy to use and certainly made a difference in performance.

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Range Active Fuel Management Disable Device Reviews


Good product

Reviewed By Ryan K (SEMINOLE, FL) Reviewed for a 2008 GMC Sierra —11/9/2016 8:24 PM

This product does just as it says it will. Installed it on my 2008 GMC Sierra mainly to stop the lag of power while in V4 mode. Only downfall is that this chip will run you battery dead from the LED lights on it. It suggests unplugging it if your not going to drive it for more than 24 hours.

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


Buy it.

Reviewed By Michael P (Chehalis, WA) Reviewed for a 2006 GMC Sierra —9/23/2016 6:58 AM

After a month of solid research i decided to go with Bully Dog. Very easy install, excellent graphics, produces the best information from your vehicle. The Tow tune turned my sluggish truck into a sports car like feel to the drivetrain, great shifting, and perfect use of the 5.3 power band. If you have the chevy trucks made between 2000 and 2007 (classic) you should have this tuner.

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About GMC Sierra DiabloSport Power Programmers & Performance Tuners

Though your GMC Sierra already boasts unrivaled hauling abilities and a great ride, further enhance its functionality by equipping it with one of AutoAnything’s GMC Sierra DiabloSport tuners. The high-resolution, full-color touchscreens ensure convenient, easy use, and these programmers provide all the top power applications in one place. They’re pre-loaded with tunes for gas and diesel vehicles alike, and they also maintain a copy of your Sierra’s factory data for future restoration. DiabloSport tuners tap into your tough truck’s internal computer through the OBD-II port and use it to calibrate the most precise tunes, and each programmer includes all the necessary equipment for installation. Choose from AutoAnything’s unbeatable selection of DiabloSport programmers and tuners and enjoy our Free Shipping and 1-Year, Lower Price Guarantee with each purchase.