CORSA Performance Air Intake Systems are designed for one thing, Performance. By optimizing airflow and utilizing free - flowing filters, CORSA Performance Intakes outflow stock systems to increase overall performance while protecting your engine. This intake features Volant's high performance MaxFlow 5, 5 layer oiled cotton gauze air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen. Each filter comes pre - oiled and ready for use. This filter is specifically designed to allow the highest air flow rate possible for maximum power gains but deliver a very long filter life and maintenance intervals (up to 40K miles depending on driving conditions). Whether On - Road or Off, CORSA Performance has you covered.