Big Sucker™ Stage 1 Air Cleaner Kit with Cover – Smooth – Polished 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 airflow and filtration, Filter is washable and reusable
