ARLEN NESS - BIG SUCKER(TM) STAGE 1 AIR CLEANER KIT WITH COVER - BEVELED - CHROMEBig Sucker(TM) Stage 1 Air Cleaner Kit with Cover Beveled Chrome Highlights All new next generation backing plate design Increases horsepower and torque Aluminum backing plate that features zero flat surfaces, every angle of the intake is designed to promote airflow One piece aluminum top filter place with integrated air venturi to direct airflow into the throttle body High performance filters are made from black pre oiled cotton for the best in