GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

2008 4.3 V6 power upgrades?

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Old Oct 13, 2008 | 07:18 PM
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From: baton rouge
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oh yeah gas mileage wise i had an 06 w/t with a 48 an it did very well on the highway loaded down with tools
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