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The aFe MagnumFLOW Pro DRY S drop-in air filter for Audi A4 (2002–2009) is a non-oiled OE replacement that improves airflow while remaining maintenance-friendly. Three layers of dry synthetic media and tall, open pleats offer strong dust-holding capacity and reusable service life. The 100% polyurethane boxed frame and progressive bump seal ensure a secure fit in the factory housing for reliable operation.
aFe MagnumFLOW Air Filters OER PDS A/F PDS Audi A4 02-09
