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The K&N 57 FIPK cold air intake for Honda Civic Si (1999–2000) replaces the restrictive factory intake with a roto-molded HDPE tube to increase airflow and deliver a guaranteed horsepower and torque gain. It pairs with a washable, oiled cotton High-Flow conical filter rated up to 100,000 miles between services and includes a custom heat shield. Installation is typically under 90 minutes; check CARB status for California applications.
K&N Performance Intake Kit FIPK; HONDA CIVIC SI; 1999-2000
