Yamaha YFZ450R Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Yamaha YFZ450R air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Yamaha YFZ450R Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Yamaha YFZ450R run better. Fast and FREE SHIPPING with any Yamaha YFZ450R air filter

  1. 2025 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  2. 2024 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  3. 2023 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  4. 2022 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  5. 2021 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  6. 2020 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  7. 2019 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  8. 2018 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  9. 2017 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  10. 2016 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  11. 2015 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  12. 2014 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  13. 2013 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  14. 2012 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  15. 2011 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  16. 2010 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  17. 2009 Yamaha YFZ450R 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
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