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Over time and many heat cycles
HIPORA® waterproof membrane
After setting the cut-in temperature
no jet changes are required with just a K&N filter element
MXer or farm ride
K&N Air Filter KSU-4000 Sizing Guide_Sizing Guide - One Shell Over time and many heatK&N off road replacement air filters are ideal for extended use in dirty and dusty off road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration. Features: Designed to provide increased horsepower and acceleration. Specifically developed for Off Road, Motocross, ATVs,
