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The Injen RD Series cold air intake for 1999–2000 Honda Civic Si (L4‑1.6L) is a complete CAI kit with mandrel-bent 6061‑T6 intake tubing and a serviceable SuperNano‑Web dry filter. It places tubing to draw cooler air, maintains safe air–fuel ratios, produces an aggressive intake tone, and is available in polished or black finishes; this RD system carries a CARB EO and Injen’s limited lifetime warranty.
Injen 99-00 Honda Civic Si Black Cold Air Intake
