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K & N Cold Air Intake can improve the fuel effeciency on any vehicle by 1 to 3 miles per gallon. Or, you could take your catalytic converter off. If you got a K & N Intake and a took your catalytic converter off you could see improvements in fuel economy up to 3.5 mpg.

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13y ago
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Q: How do you Improve gas mileage ford F-150?
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