Breather design is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubes, Radius window can be installed in both the front or back facing direction allowing the rider to choose their preferred look, Features an integrated oil-catch to ensure no oil reaches the air filter and restricts airflow, The Clear Tear air cleaner series brings the timeless teardrop shape to a new level, Specially formed radius shaped polycarbonate top is coated for long-term durability, Performance air filter is made from black pre-oiled cotton and is washable/reusable, Smooth flowing cage design is forged and CNC-machined, Hidden breather backing plate technology