The K&N KA-1406 High-Performance Replacement Air Filter is a precision-engineered drop-in upgrade for the Kawasaki ZX14R (2006-11) / ZZR1400 (2006-2011) / ZG1400 (2008-14). Replacing the factory paper element with K&N's advanced oiled cotton gauze technology, this filter delivers improved airflow, sharper throttle response, and long-term cost savings through its washable and reusable design.

• Precision-engineered as a direct OEM drop-in replacement for the Kawasaki ZX14R (2006-11) / ZZR1400 (2006-2011) / ZG1400 (2008-14) (1400cc) — no modifications required

• Advanced multi-layer oiled cotton gauze construction captures fine contaminants while flowing significantly more air than standard paper elements

• Improves throttle response and acceleration by reducing intake restriction across the RPM range

• Washable and reusable for the lifetime of the vehicle, eliminating the need for periodic paper filter replacements

• Retains the factory airbox and all OEM components for a clean, showroom-quality installation

• Tested and certified to ISO 5011 standards for verified filtration efficiency and airflow performance

• Covered by K&N's Million Mile Limited Warranty — built to outlast the vehicle it's installed in