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Twin Air

Twin Air Pre-Oiled Dual-Stage Std. / Pre-Oiled Air Filters -1999-2009 Yamaha YZ400F, YZ426F, YZ450F

Regular price $33.25 USD
Regular price $36.95 USD Sale price $33.25 USD
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Twin Air Pre-Oiled Dual-Stage Std. / Pre-Oiled Air Filters -1999-2009 Yamaha YZ400F / YZ426F / YZ450F

The Twin Air Pre-Oiled Dual-Stage Std. / Pre-Oiled Air Filters are designed to deliver superior performance to your 1999-2009 Yamaha YZ400F / YZ426F / YZ450F. Crafted with high-quality materials and dual-stage foam, they offer unbeatable protection from dirt and debris being ingested into your engine, proven by our local top riders and many of the Loretta Lynns Nation Champions.

Available in Pre-Oiled with Twin Air Bio Oil or Standard Dry Filter.


  • Twin Air filters will increase airflow while maintaining the highest level of protection against dirt from entering your motor.
  • Larger coarse open-pore foam catches more significant amounts of dirt, grime, and sand, and fine foam will trap all the fine particles of dirt and dust.
  • Proprietary glue formulated to not break down through dozens of filter cleanings.
  • The filter sealing area used thick, flat foam, greaseless sealing ring to ensures superior a seal between the filter and airbox, keeping dirt out.
  • Endorsed Teams like Pro Circuit since 1992
  • Fitment 1999-2009 Yamaha YZ400F / YZ426F / YZ450F

Yamaha YZ450F Performance Upgrades

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