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2013 GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Superchips Cortex Programmer Reviews

Woke up my 2013 Sierra

Reviewed By Timothy O (DAYTON, TX) Reviewed for a 2013 GMC Sierra —3/12/2016 4:39 AM

Have a 2013 Sierra crew cab 4x4, it ran good but with the Superchips programmer it now runs great! When I step on it the truck almost jumps. Maybe a slight boost in MPG. Highly recommend if you're looking for a performance boost.

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Range Active Fuel Management Disable Device Reviews

Works like they claim!

Reviewed By James P P (Southbridge, MA) Reviewed for a 2013 GMC Sierra —3/10/2016 3:22 AM

My main reason for this purchase is ever sence I installed a Cold Air Intake the "Lag" between 4 cyl back to 8 cyl seemed quite pronounced especially in town. Not so bad on the pike or interstates where your speed is higher. I have not been able to tell if there is a difference in MPG yet. I like the fact that you can just unplug if you are hitting the interstate etc... And does not tamper with the computer. So far, great item and of course, Auto anything is my Automotive "Go-to" Store.

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DiabloSport inTune i2 Tuner Reviews

Awesome Tuner

Reviewed By Steven G (LIVE OAK, TX) Reviewed for a 2013 GMC Sierra —2/18/2016 11:07 PM

I have a 2013 GMC that I wanted to get a little more power out of. This has definetly woke the truck up. It's simple plug and play. There are preset tunes that you can choose from or you can customize your own! I would suggest this product for sure!

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