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lowend or mileage

  1. Bolt-On Basics: RSX (Base)
    Hey, I generally drive <3k rpm, and am shooting for good mileage (right now averaging 31 per tank). I wouldn't mind a header, but want to make sure it doesn't negatively impact either the mileage or the low-end torque. If it's positive, that'd be awesome, and I'll jump on it. Car is a 2002...
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