Alloy Art Boom Box Max Volume 1.8 Air Cleaner Kit For Harley Optimize your M8 motor's performance with the Max Volume Air Cleaner kit. The forward offset and advanced filter design maximize airflow and leg clearance. With a 1.8 filter offering 160 square inches of surface area, this kit ensures top-notch performance. Choose between CNC-machined aluminum or injection-molded clear polymer backing plates. Crafted in the Usa, it delivers pre-charged clean air, making it the ideal choice for experienced riders seeking peak M8 capabilities. Features: The forward offset, along with the slanted and angled filter are designed to maximize airflow while maintaining more leg clearance Largest side mounted air box and filter surface area on the market Max volume air cleaner kit for M8 motors Oversized external breather Internal velocity stack Filter is 1.8 and has 160 square inches of filter surface area 160 square inches of filter surface area Injection molded polymer backing plate. Made in the USA