K&N Filter Universal X-Stream Clamp-On Round Tprd 2.5in Flng ID x 6in Base OD x 5in Top OD x 6.5in H - RX-4860 fits_2013-`Ford`Flex Premium Materials: Engineered for extreme

Premium Materials: Engineered for extreme durability and high-heat resistance

With Free-Flow Downpipes (optional): Maximum volume and character

-Does not fit 2013 California 30 Model

This 7-1/2” tall 360-degree radial flow air filter features a 5" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance

which includes a built-in thermostat with a 185 Degrees Fahrenheit / 85 Degrees Celsius activation temperature

K&N Filter Universal X-Stream Clamp-On Round Tprd 2.5in Flng ID x 6in Base OD x 5in Top OD x 6.5in H - RX-4860 fits_2013-`Ford`Flex Premium Materials: Engineered for extremeK&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