Quadzilla Stealth 2 Performance Chip

By sethgade
January 21, 2010 in 2000-2014 Silverado HD & Sierra HD

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sethgade

Posted January 21, 2010

Hey guys. Have a truck which I bought with a Quadzilla stealth 2 tuner and was wondering how good is it, and how easy is it for me to use. They said that it was programmed already. I am new to this, and want to know how easy it is for someone to hook it up and see how the program is set. Please give thoughts. and what settings should it be set at for max mileage and overall driving

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