K & N Clamp-On Air Filter - 49 mm RC-1060 Backrest Insert Does not include return spring

Does not include return spring (shown as optional purchase)

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

1 Auto Tuner Style Lambda sensors comes standard (OEM dual sensor mounts up front are eliminated for a smoother flowing exhaust

Fitment: Kawasaki ZX 636 + ZX6RR 2003-2004

K & N Clamp-On Air Filter - 49 mm RC-1060 Backrest Insert Does not include return springK&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