Filtro Alto Flujo Arlen Ness Fase 1 Street1952Caracteristicas: Each hidden breather is o ringed at the heads and exits at the mouth of the injector carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware Standard red filters are pre oiled, washable and feature four layers of surgical grade cotton for optimum filtration and maximum airflow Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash