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GMC Sierra Bully Dog Performance Chips

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Latest Customer Reviews

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


dissapointed

Reviewed By Jon H (South Dennis, MA) Reviewed for a 2011 GMC Sierra —8/30/2014 1:31 AM

The bullydog has not lived up to any hopes for me to improve mpg. But first of all, the package says you can change on the fly. Well you cannot and it takes 7 minutes to delete or add a program. So if you want to experiment, it takes 14 minutes to change to a different program. Secondly, the unit is so small that it is a struggle to read the info. Lastly, there was absolutly no change in mpg, there was more pep for sure, but that is not what I was looking for. I will be returning this unit.

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


great product

Reviewed By Zachary Z (TRAVERSE CITY, MI) Reviewed for a 2008 GMC Sierra —8/19/2014 3:57 AM

Can really tell a difference. Only down side is that the screen is a lot smaller than what I thought so it's somewhat hard to read going down the road.

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


not impressed

Reviewed By Derrick P (BREMEN, GA) Reviewed for a 2002 GMC Sierra —7/23/2014 7:10 AM

Purchased this item to compensate for larger tires, That worked. Switching between the two different tuning modes requires to much to do. packaging says it does all kinds of things, which I have yet to figure out. The Manuel online does not help with these extras. So I'm not sure what Bully Dog is trying to advertise. It will not help your gas milage if your running a big block and 35 inch tires. I recommend searching for another product I wish I could return mine for something that is morhelp

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