2007 silverado 5.3 tuning

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Oct 4, 2012 | 9:14 PM

Brandon886

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2007 silverado 5.3 tuning

I'm looking into getting a custom tune but I'm wondering if its gonna hurt my gas mileage does anybody have any suggestions??

Oct 4, 2012 | 9:30 PM

MDTAHOE

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From: Bowie, MD

Check out Black Bear. I here they do amazing stuff.

Oct 5, 2012 | 6:26 AM

Brandon886

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I'm in Florida there's a guy local tht I hear highly of I'm just trying to figure out if its gonna hurt my gas mileage

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