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614 Posts
i have been trying to figure out whether a cold air intake system helps gas mileage or hurts it. i don't exactly know how engines work and stuff so i am not sure what exactly cold air intake does for an engine except allow more horsepower. it seems to me like it would decrease gas mileage allowing more air into the engine which allows more gas to ignite which leads to more power. i am not sure if that's the way that it works so if i am totally wrong, don't laugh at me.
