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GMC Performance Monitors

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Latest Customer Reviews

DiabloSport Trinity T-1000 Programmer Reviews

One vehicle at a time

Reviewed By nathan s (MILLS, WY) Reviewed for a 2014 GMC Sierra —9/19/2015 5:38 AM

This is an awesome product. Installed right away and had a very noticeable difference just on my stock 6.2l gmc. I don't have anything modified yet but this still gave it bigger balls. The only bad part is even with the expensive price, you can only install on one vehicle at a time. You have to restore factory tune on last vehicle before new vehicle is set

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

2003 yokon 5.3

Reviewed By William L (Superior, WI) Reviewed for a 2003 GMC Yukon —9/10/2015 5:58 PM

WoW! I went from 12.5 to 16 in the city, using 91 oct on performance mode, shift points firm. Versus 87 oct in stock. It's how you drive it that matters. The driving coach is way cool. And it's fast too!

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Edge Evolution Programmer Reviews

Great programmer!

Reviewed By Kalister A (ST. GEORGE, UT) Reviewed for a 2008 GMC Sierra —8/7/2015 2:18 PM

Easy to install and works great!

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