Arlen Ness Crossfire Air Cleaner - Black - 600-043

Features a polycarbonate window to view the internal working of the air intake system. High-performance black pre-oiled air filter is reusable and washable. Hidden breather backing plate technology. Reduced intake height for improved leg clearance. Breather design is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through the proprietary shooter tubes.