Honda CRF450R Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Honda CRF450R air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Honda CRF450R Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Honda CRF450R run better. Fast and FREE SHIPPING with any Honda CRF450R air filter

  1. 2020 Honda CRF450R 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  2. 2019 Honda CRF450R 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  3. 2018 Honda CRF450R 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  4. 2017 Honda CRF450R 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  5. 2008 Honda CRF450R 444 air filter
    Special Price £112.49 Regular Price £149.99
    HA-4503XD
    K&N
  6. 2007 Honda CRF450R 444 air filter
    Special Price £112.49 Regular Price £149.99
    HA-4503XD
    K&N
  7. 2006 Honda CRF450R 444 air filter
    Special Price £112.49 Regular Price £149.99
    HA-4503XD
    K&N
  8. 2005 Honda CRF450R 444 air filter
    Special Price £112.49 Regular Price £149.99
    HA-4503XD
    K&N
  9. 2004 Honda CRF450R 444 air filter
    Special Price £112.49 Regular Price £149.99
    HA-4503XD
    K&N
  10. 2003 Honda CRF450R 444 air filter
    Special Price £112.49 Regular Price £149.99
    HA-4503XD
    K&N
Search By Vehicle
Find Parts for your vehicle
*
Search By Dimension
The item you added to cart DOES NOT FIT your
This item fits your

The item(s) below fits your vehicle