K&N Filter Universal X Stream Clamp-On 3 inch Flange 4 1-2 inch Base 6 inch Top 4 5-8 inch Height - ( K&N Engineering RX-3900-1 )

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.

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.

X-Stream Air Filter; Round Reverse Tapered; Base OD-4.5in.; Top OD 6in.; Flange L-7/8in.; Inside Flange 3in.; Centered; CustomEndCap; Filter L-4 5/8 in.; 1/4-20 Jack Nut Into Top;

K&N Filter Universal X Stream Clamp-On 3 inch Flange 4 1/2 inch Base 6 inch Top 4 5/8 inch Height

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