upgrades for a 03' 6 4 cylinder

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12-25-2006, 12:33 PM

craigmack

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Join Date: May 2006

Posts: 4

upgrades for a 03' 6 4 cylinder

Im looking to upgrade my 03' 6. What has anyone done to upgrade their performance other than adding the cold air intake. Has anyone done a head job yet?

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