KTM 450 SMR Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any KTM 450 SMR air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for KTM 450 SMR Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your KTM 450 SMR run better. Fast and FREE SHIPPING with any KTM 450 SMR air filter

  1. 2012 KTM 450 SMR 449 air filter
    $79.99 Regular Price $63.99 Special Price
    KT-4511XD
    K&N
  2. 2007 KTM 450 SMR 449 air filter
    $199.99 Regular Price $159.99 Special Price
    KT-5201
    K&N
  3. 2006 KTM 450 SMR 449 air filter
    $199.99 Regular Price $159.99 Special Price
    KT-5201
    K&N
  4. 2005 KTM 450 SMR 449 air filter
    $199.99 Regular Price $159.99 Special Price
    KT-5201
    K&N
  5. 2004 KTM 450 SMR 449 air filter
    $199.99 Regular Price $159.99 Special Price
    KT-5201
    K&N
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