K&N/X-Stream top air cleaner

Not Vehicle Specific
Part Number: RX-4040-1
Alternate Part Number: RX-4040
Features & Benefits

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.

  • Pleated filter built in top
  • Washable and reusable
  • Low restriction
  • Clamp-on design
Product Details
Part Number: RX-4040-1
Weight: 0.75 lbs
Shape: Round Straight
Type: X-Stream Top
1 to 4.99 in. Top
Flange: 4 to 4.99 in. Height
Air Filter Flange: 1
Air Filter Flange Angle ( ° ): 0
Air Filter Flange Inside Diameter (in): 2.44
Air Filter Flange Length (in): 0.75
Air Filter Frame Design: Flexible
Air Filter Material: Cotton Gauze
Air Filter Oil Included: Air Filter Pre-Oiled
Air Filter Outside Diameter (in): 4
Air Filter Overall Height (in): 4.75
Air Filter Pre-Screened: No
Air Filter Shape: Round Air Filter
Item Grade: High Performance
Package Contents: 1 Air Filter
Package Quantity: 1
Washable Filter: Yes
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
This product may be shipped directly by the vendor to any eligible US addresses, excluding APO/FPO/DPO or US Territory addresses.
  • Overall

    K&N/X-Stream top air cleaner


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