K&N RX-4140 Universal X-Stream Clamp-On Air Filter

3-1/2in.FLG; 4in.OD; 5-3/4in.H X-STREAM CLAMP-ON

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K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

• Pleated Filter Built In Top
• Washable And Reusable
• Low Restriction
• Clamp On Design
• More Protection And Airflow
• Universal Clamp-On Filter

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