Twin Air

Twin Air Foam Air Filter - 152221 - Yamaha YZ450F 2018

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  • Regular price $36.95
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This is where it all began.
Over 40 years ago, the sandy, gritty soil of The Netherlands- and the resulting engine failures - proved that single- foam and paper filters gave riders air flow, but failed at protection. Twin Air's breakthrough, fused-dual-layer design (now widely copied) combined performance and protection. The fused layers of open-pore foam and fine inner foam trap even the smallest particles. The new, rounder design boosts airflow. So do the minimized seams made possible by a revolutionary micro-gluing process:

(with free-flowing, backfire-resistant foam laminated to the inside of the filter - eliminates restrictive, stock backfire screen)

  • WASHABLE / REUSABLE (reusing a Twin Air filter 40-50 times is common)
    DUAL-LAYER FOAM (made to our specifications, with cells that are evenly sized and distributed)
    GREASE LESS SEALING RING HIGH QUALITY (assembled by hand and inspected for a perfect fit)