
66-1400R X-Stream Filter Air Flow Top Outside Diameter: 14 in. (356 mm)
K&N XStream Air Flow Tops replace the top of your existing round filter thereby adding additional filter surface area for increased air flow. The addition also redirects the air flow inside the filter to pull in more air for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine, and comes in a wide range of applications. This filter top has a 14 inch outside diameter featuring durable black powder coated trim with K&N logos embossed around the rim.
- Designed to increase horsepower and acceleration
- Replaces metal factory filter lid with a lid with a built-in air filter top
- Outside diameter measures 14 inches
- Outside diameter measures 14 inches
- Black powder coated metal trim ring
- Washable and reusable air filter media
- K&N unlocks the power with the new X-Stream Air Flow Top.
- Most surface area possible for restricted clearances
- Sizes include 9", 11" and 14" diameters
- Color rings include black, red, blue, and polished
Not only does the K&N X-Stream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the X-Stream Air Flow filter delivers the best protection available for your engine, and comes in a wide range of sizes and colors. Features:

