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The Injen SP polished cold air intake for 2002–2005 Honda Civic Si replaces restrictive stock plumbing with smooth 6061-T6 aluminum tubing and Injen’s MR/Air Fusion tuning. The kit includes a SuperNano-Web dry filter, hardware and instructions, delivers dyno-proven gains up to about 12.1 hp and 12.7 lb-ft, maintains air–fuel balance and adds a more aggressive induction sound for a livelier driving feel.
Injen 02-05 Civic Si Polished Cold Air Intake
