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GMC Performance Monitors

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


i2Tuner

Reviewed By Richard C (LIVERPOOL, NY) Reviewed for a 2014 GMC Sierra —8/16/2017 2:28 AM

Before installing the 87 oct tune on my 2014 GMC Sierra, the gas pedal was stiff and the truck had a hard time getting out of its own way. Now it drives as it should have from the factory! More off the line acceleration and torque, plus a noticeable difference while towing my large camper.

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ScanGauge OBD II Scanner Reviews


Love it!

Reviewed By ryan w (Cassville, MO) Reviewed for a 2005 GMC Sierra —7/18/2017 4:54 PM

Easy to install easy to use does everything that i need it to do

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Edge Evolution CTS2 Programmer Reviews


Best investment

Reviewed By Andrew M (New Milford, CT) Reviewed for a 2017 GMC Sierra —5/9/2017 4:20 PM

By far best mod done to my 2017 Sierra Denali 6.2, made throttle response so much crisper. Just having an issue with the performance tune, but edge has the best customer service so not worried

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