K&N part number 61-4010.
The K&N Flow Control System utilizes a custom designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar
flow enhances cylinder filling, horsepower, and torque. The filter element is the world famous K&N Filtercharger for the ultimate in airflow and filtration.
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Custom design reduces intake turbulence
Includes K&N round filter element
High air flow with excellent filtration
Washable and reusable air filter