Not only does the K&N XStream 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 XStream Air Flow Top filter delivers the best protection available for your engine.
  • Designed For Serious Racers
  • Enhances Performance
  • Pulls More Air Through
  • Best Filtration Available
  • More Protection And Airflow
  • Universal Clamp-On Filter
Air Filter Color Red
Air Filter Height 3.063 in (78 mm)
Air Filter Inside Diameter 12 in (305 mm)
Air Filter Material Cotton Gauze
Air Filter Outlet Shape Round
Air Filter Shape Round
Carb/Air Horn Dia. (in.) 5.125
Color / Finish Red Filter
Country of Origin (Primary) US
Diameter Outside (in.) 14
Emission Code Legal US
Filter Color Red
Filter Material Cotton Gauze
Harmonized Tariff Code (Schedule B) 8421310000
Hazardous Material Code N
Inlet Diameter 5.125 in (130 mm)
Life Cycle Status Code 2
Material Aluminum
Mounting Hardware Included Yes
MSDS Required Flag N
NAFTA Preference Criterion Code B
Neck Flange 5.125 in (130 mm)
Overall Height 2.75 in (70 mm)
Product Style Custom Assemblies
Replacement Filter E-1650
Shape Round
Size 14 Inch
Style 1-1/4" Drop Base
Top Material None
Top Material/Finish None
Top Style X-Stream
Warranty Time 12
Weight 5.6 lb (2.6 kg)

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K&N 66-3040 X-Stream Top Assembly

Product Information

  • Brand: K&N
  • Product Number: 66-3040
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