TWIN AIR Back Fire Replacement Air Filter 156061FR Seat Foam configured to balance the EX400's

configured to balance the EX400's body lines and produce the best balance of power

Setup as sold (4 across the row) or with a combination of your OEM stacks for two separate power characteristics

2006-2008 Kawasaki KX 450 F - - 2006-2008 Kawasaki KX 250 F - -

stealthy appearance

best lap number

TWIN AIR Back Fire Replacement Air Filter 156061FR Seat Foam configured to balance the EX400'sDual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions