K & N Air Filter - Honda 400EX HA-4099 Smoked Taillight and Turn Signal Kit Includes built-in LED and license

Includes built-in LED and license plate light

This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided

Standard Cat Elim with (265mm) 92 DBA@ idle 109 @ 5000 (no sound insert)

Molded ABS construction

The air injection system pumps fresh air directly into the exhaust stream in order to burn off any unused fuel

K & N Air Filter - Honda 400EX HA-4099 Smoked Taillight and Turn Signal Kit Includes built-in LED and licenseFits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit Fuel management modifications are not required for increased performance Pleated media provides a large filtration area offering long service intervals Designed to provide increased performance Made in the U. S. A.