K&N XStream® Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just like other K&N Air Filters.

Part 66-1401XP Xstream Specifications
Filter Material: Cotton Gauze
Flanges: None
Height: 1 in (25 mm)
Outside Diameter: 14 in (356 mm)
Top Material/Finish: ChromeXP
Top Style: X-Stream
Weight: 1.7 lb (0.8 kg)

K&N X-Stream Air Filter 66-1401XP fits the following 14" Filters
E-3740   2.3" Height
E-1650   3"  Height
E-3750   4"  Height
E-3760   5"  Height