K&N Replacement Air Filter 690 Duke / Duke R '13- SIZE_Piston Oversize (+1.00mm) charged right out of the

charged right out of the box

Brass bushing in clutch on many models for effortless operation

Super fast pour rate

Thickness: 10 mm

K&N Replacement Air Filter 690 Duke / Duke R '13- SIZE_Piston Oversize (+1.00mm) charged right out of theK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle. K&N drop in Replacement Filter: s are designed to install easily into your factory airbox. Upgrade today and start enjoying superior