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GMC Performance Monitors

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Latest Customer Reviews

Edge Insight CS/CTS Monitors Reviews


Great Gauge Package

Reviewed By Stephen S (Dalton, PA) Reviewed for a 2014 GMC Sierra —2/25/2015 3:23 AM

This all-in-one unit is great. Was able to read and clear a DTC that cost me $80 to have done at a garage. Grate selection of gauges. Would cost hundreds of dollars more to install each gauge separately. Very easy and simple set-up and navigation thru all its features. Very simple installation and could be removed quickly if needed. Wish there were more options for mounting but very worth the money.

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DiabloSport inTune I-1000 Tuner Reviews


Great seller

Reviewed By nicholas w (Lancaster, SC) Reviewed for a 2009 GMC Sierra —1/20/2015 1:46 AM

Great product

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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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