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The AEM 21-508R Performance cold air intake for Honda Civic Si (2002–2005) replaces the restrictive factory airbox with mandrel-bent aluminum tubing and an oversized Dryflow washable, oil-free synthetic filter to boost airflow and reduce intake temperatures. The filter is relocated to the driver-side wheel well, the system accepts the inlet air temp sensor and breather hose, and is backed by AEM's Lifetime Limited Warranty.
AEM Cold Air Intake System C.A.S.HONDA CIVIC SI 2.0L L4 02-05
