aFe Aries Powersport Air Filters OER PG7 A/F PG7 MC - Yamaha YFZ450 04-09 - 87-10040

Pro GUARD 7 air filter media is constructed using 5 layers of progressively finer medical upgrade cotton gauze, combined with 2 layers of non-woven synthetic polyester fabric with random porosity. The result is high-performance airflow with the filtration efficiency of a heavy duty filter.