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2014 GMC Sierra Performance Monitors

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


Great results

Reviewed By Jason B (Flowood, MS) Reviewed for a 2014 GMC Sierra —2/21/2017 8:11 PM

I used the tuner to adjust my speedometer for larger tires I put on my truck. That plus the fuel saving setting increased my mpg by almost 20%. I haven't had time to play around with the other settings yet. It's very easy to use. The whole process including reading instructions took about 10 mins.

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Edge Evolution CTS2 Programmer Reviews


Unleashed

Reviewed By Randall B (DELTON, WI) Reviewed for a 2014 GMC Sierra —9/1/2016 7:38 PM

The Edge Evolution CTS2 is exactly what is needed to amp up the performance or gain extra mpgs. Looks great and easy to use.

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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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