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
    $89.99 Regular Price $71.99 Special Price
    YA-4504
    K&N
  2. 2010 Yamaha YFZ450X 449 air filter
    $89.99 Regular Price $71.99 Special Price
    YA-4504
    K&N
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