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GMC Performance Monitors

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Latest Customer Reviews

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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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DiabloSport inTune i2 Tuner Reviews


Works great

Reviewed By Kevan C (Hagerstown, MD) Reviewed for a 2012 GMC Sierra —7/5/2017 2:02 PM

Bought a pre-owned Sierra 1500 with the Vortec 6200 where the previous "computer" calculated MPG was 10.2 average. I cleared the computer, installed the MPG default tune with firm shift. With 2 tanks of regular 87 octane I now get overall "computer" average of 16.7. I will hand calculate at next fill-up.

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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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