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4.7 liter dodge upgrades. wats the best?
i know that a cold air intake would do it good but im looking 4 th obvious more power while not sacrificing gas mileage. i know there'll be some guys out there that give me the " should've got a hemi" but come on serious answers here. thnx n advance
1 Answer
- Anonymous1 decade agoFavorite Answer
new exhuast, cold air intake, theres a company out there that makes permorfance chips for the 4.7. new spark plugs new spark plug wires. high flow cat.