Performance Chips

By brute_439
November 29, 2007 in Ask A GM Technician

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brute_439

Posted November 29, 2007

There are several companys that sell performance chips for chevy silverados such as srt performance chips, tuned engineering chips and they claim to add 40 hp,40 ft pound of torque, and 5-7 mpg. My question is do they do what they claim and are they in anyway harmful to your truck. Also are there any brands that you would suggest using?

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