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Would a larger diameter CAI pipe make a difference?

April 26, 2017Acura cai diameter difference k-series k20 larger pipe rsx

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Would a larger diameter CAI pipe make a difference?

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YES, it will make a difference. The difference may be worse performance. The difference may be better performance. That is why these types of modifications are tested on the dyno and on the track. Typically, larger means better high rpm power with a sacrifice of your low rpm band. Like most things engineering, there will be a compromise and optimization to achieve YOUR specific goals.