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K&N Replacement Air Filter for 79-85 Honda CM400/CM450/CB450SC

  • High Air Flow with Excellent Filtration
  • Increases Horsepower and Acceleration
  • Will Not Void Vehicle Warranty
  • Million Mile Limited Warranty
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Pricing: $50.99


K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

Application List

1982-1985 Honda CB450SC

1982-1983 Honda CM450A Hondamatic

1982-1983 Honda CM450E

1982 Honda CM450C Custom

1979-1981 Honda CM400A

1981 Honda CM400C

1980-1981 Honda CM400E

1979-1981 Honda CM400T


Height: 5.313 in (135 mm)

Inside Diameter: 3 in (76 mm)

Outside Diameter: 4.25 in (108 mm)


  • HA-0850
  • HA-0850
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 0.8 lbs.
  • W4.6000” x H7.3000” x L4.6000”

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