Buell®

Zipper’s Air Filter kits are designed to maximize available airflow and minimize intake turbulence at the entry point. We start with a fully machined, radius inlet billet backplate, and add special mounting and crankcase venting hardware that allows the installer to route breather venting internally or externally (purchase vent filter separately if external). *1 Accepts stock '07-up oval Sportster® outer air cleaner cover (not included) *2 Accepts EV BT round cover or accessory 8" covers (not included)

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

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