K & N Clamp-On Air Filter - 49 mm RC-1060 Backrest Insert Standard Cat Elim with (200mm)

Standard Cat Elim with (200mm) 93 DBA@ idle 113 @ 5000 (no sound insert)

This works on both the WR250R and WR250X models for supermoto and off road applications

Direct fit for exhausts listed below (some come with the insert already as listed)

Designed to be run dry and can be cleaned with K&N Filter Cleaner

K & N Clamp-On Air Filter - 49 mm RC-1060 Backrest Insert Standard Cat Elim with (200mm)K&N universal air filters come in three styles round straight, oval tapered and round tapered All clamp directly to the carburetor throat, replacing the stock airbox and filter element Match the o. d. of your carb throat with the i. d. of the filter