K&N Round Tapered Universal X-Stream Clamp-On Air Filter - K&N RX-4010

  • K&N Round Tapered Universal X-Stream Clamp-On Air Filter - K&N RX-4010
  • Part#: RX-4010
  • Original Price: $136.99
  • Our Price: $78.99
  • 0 In Stock - Can be shipped from manufacturer, subject to availability
  • Shipping: Free Shipping
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K&N Universal X-Stream Clamp-On Air Filters

2-1/2"FLG; 4-1/2"B; 4"T; 4"H X-STREAM

K&N Universal X-Stream Air Filters feature a low restriction, clamp-on design. It’s available in many sizes to accommodate the needs of your import or domestic car, truck, or SUV. K&N X-Stream air filters have a top filter to offer even higher airflow and a longer service interval. Featuring a washable and reusable filter media with durable molded pliable rubber flanges, this kit is engineered to unleash more horsepower and torque with a simple bolt-on installation.


  • Built-in pleated filter on top to deliver stronger air flow
  • Guaranteed to increase horsepower and torque
  • Superior filtration without restricting airflow
  • Durable molded rubber flanges
  • K&N air filters are endlessly washable and reusable
  • Clamp-on design for hassle-free installation
  • Backed by K&N’s superior 10-year/million mile warranty

California Residents: Prop 65 WARNING

While this K&N Universal X-Stream Clamp-On Air Filters might fit your vehicle, unfortunately we can't guarantee fitment. Please read description and specifications to decide if this part is right for your vehicle.


Air Filter Large End Diameter: 4.438 in (113 mm)
Air Filter Shape: Round Tapered
Base Inside Diameter: 0 in (0 mm)
Base Outside Diameter: 4.438 in (113 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 0.36 oz (10 ml)
Flange Angle: 0 degrees
Flange Center to Center: 0 in (0 mm)
Flange Inside Diameter: 2.438 in (62 mm)
Flange Length: 0.875 in (22 mm)
Flange Offset: 0 in (0 mm)
Flange Type: Centered
Flanges: 1
Inner Wire: No
Height: 3.75 in (95 mm)
Top Inside Diameter: 0 in (0 mm)
Top Material: None
Top Outside Diameter: 4 in (102 mm)
Top Style: X-Stream