Skip to content
Enhanced airflow and filtration for superior engine performance.
The K&N XStream Air Filter is designed to improve engine performance by increasing airflow and filtration efficiency. This innovative filter features a unique design that incorporates an additional filter within the top, providing more surface area for enhanced air intake and longer service intervals. Constructed from durable cotton gauze, the filter is washable and reusable, making it a sustainable choice for automotive enthusiasts.
With a round tapered shape, the K&N XStream Air Filter fits a variety of applications, ensuring compatibility with numerous vehicles. The ultra-strong molded pliable rubber flanges allow for secure attachment while absorbing vibrations, and they can be stretched to accommodate different sizes. This feature is particularly beneficial for racers who require reliable performance in demanding environments.
The filter's dimensions include a 6-inch base outside diameter and a 5-inch top outside diameter, with a height of 5-9/16 inches. The 3-inch flange inside diameter and 1-7/8 inch flange length ensure a proper fit for optimal airflow. K&N's commitment to quality and performance is evident in the design and functionality of the XStream Air Filter, making it a valuable addition to any racing or performance vehicle.
Features
- 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
- 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 Which K&N Delivers
- All K&N Universal Air Filters Are Constructed With Ultra Strong Molded Pliable Rubber Flanges
- K&N Universal Air Filters Are Washable And Reusable
Specifications
- Manufacturer: K & N Filters
- Manufacturer Part Number: RX-4990
- Shape: Round Tapered
- Type: Washable
- Height (IN): 5-9/16 Inch
- Length (IN): Not Applicable
- Width (IN): Not Applicable
- Base Dimensions (IN): 6 Inch Diameter
- Top Dimensions (IN): 5 Inch Diameter
- Oiled: Yes
- Element Color: Red
- Element Material: Cotton Gauze
- Flange Inside Diameter (IN): 3 Inch
- Flange Length (IN): 1-7/8 Inch
- Flange Angle (DEG): 0 Degree
- Flange Offset (IN): 0 Inch
- Cap Finish: Without Cap
- Cap Color: Without Cap
- Cap Material: Without Cap
- Includes Gasket: No
- Estimated Install Time (Hours): 0.5
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
