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02-18-2013, 10:01 PM
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Registered User
Join Date: Aug 2011
Location: North Carolina
Posts: 275
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best aftermartket performance chip for 07 silverado classic
i have a 2007 silverado and i am looking for a performance chip for my truck to help with gas mileage and give me a boost in hp. my truck has the 4.8l in it and gets around 18mpg hwy, i want to try to get more out of it.
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1958 Chevy Apache Stepside 1955 BBW Fleetside |
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