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GMC Performance Chips & Programmers

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Latest Customer Reviews

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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DiabloSport Trinity T-1000 Programmer Reviews


Nice tuner.

Reviewed By Cody H (SODDY DAISY, TN) Reviewed for a 2004 GMC Sierra —10/9/2014 8:48 PM

Bought this tuner to go along with my full exhaust and intake. Made a very noticeable difference in power and the way the truck shifts. No mpg improvement that I've noticed, but not why I bought it. Would definitely recommend on GM trucks. Also allowing for custom tune is nice as well.

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Edge CTS Evolution Programmer Reviews


GREAT BANG FOR THE BUCK

Reviewed By Andrew E (SPRINGHILL, LA) Reviewed for a 2011 GMC Sierra —8/27/2014 9:04 PM

Programmer did exactly what I wanted to do to my truck. Gained about 3 mpg with the fuel economy mode but the power change is great! Truck doesn't feel so sluggish anymore. If your looking for a programmer STOP NOW and buy an EDGE CTS!!

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