Honda CRF450RX Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Honda CRF450RX air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Honda CRF450RX Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Honda CRF450RX run better. Fast and FREE SHIPPING with any Honda CRF450RX air filter

  1. 2020 Honda CRF450RX 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  2. 2019 Honda CRF450RX 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  3. 2018 Honda CRF450RX 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
  4. 2017 Honda CRF450RX 449 air filter
    Special Price £134.99 Regular Price £179.99
    HA-4517XD
    K&N
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