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the cheapest and most effective option is to add a cold air intake.

generally in the range of 100-300 dollars, although you can find them cheaper on eBay or Craigslist.

hands down, the most cost effective and performance enhancing modification you can make to a stock civic.

some intakes will give you as much as a 18whp boost.

see PASSWORD JDM: Whale Penis Intake.

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13y ago

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