Yamaha YFZ450X Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Yamaha YFZ450X air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Yamaha YFZ450X Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Yamaha YFZ450X run better. Fast and FREE SHIPPING with any Yamaha YFZ450X air filter

  1. 2011 Yamaha YFZ450X 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
  2. 2010 Yamaha YFZ450X 449 air filter
    Special Price £67.49 Regular Price £89.99
    YA-4504
    K&N
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