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GMC Sierra Performance Monitors

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Latest Customer Reviews

DiabloSport inTune I-1000 Tuner Reviews


Suuuuuper easy to use

Reviewed By Jon L (BEAVER DAM, WI) Reviewed for a 2014 GMC Sierra —12/5/2014 8:11 PM

Easy as can be right out of the box. I even used a Mac and had no issues updating the device. Simply plug it into your vehicle after updating, pick your desired tune, let it do its thing, and done. Installing tune took less than 10 mins total. Capped off with the Diablo Sport OBDII cover. I plan to have a custom tune written by DiabLew once I'm done installing different exhaust components to maximize everything's potential.

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


Review

Reviewed By Guy S (Sneads Ferry, NC) Reviewed for a 2011 GMC Sierra —11/7/2014 9:02 AM

I have a GMC Sierra, 2011 5.3L vehicle... This item roughly increased my MPG from 17 to 19.5 for both highway and city use. Now I was really concervative with my driving, if your punching the gas pedal your not going to get close to that. The system did change the shifting of my vehicle, I notice an improvement of shifting and responsiveness, the only problem I had with this was a faulty cable upon purchase. I called and a replacement was sent to me automatically free of charge! Good service!

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Edge Insight CS/CTS Monitors Reviews


Awesome product

Reviewed By Steven G (COCOA, FL) Reviewed for a 2003 GMC Sierra —10/14/2014 3:55 AM

Although smaller than I expected (the pictures make it look way bigger than it actually is) I really like this monitor. It is totally customizable. From the number of gauges to the background. Everything can be changed to the way you want it.

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