If you ride in dry and dusty conditions, a foam air filter is a must. Nothing protects your engine against small particles, dust, and sand as well as an oiled foam UNI filter. A stock paper filter just can't stand up to the kind of dirt and abuse of a long off-road adventure while giving proper airflow and performance.
An added bonus to these filters is they are completely washable and reusable. After a dusty ride, simply pull the filter, wash, oil, then re-install. The high quality foam material ensures the filter will last many rides.
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