The ProLine Filter has been developed over the last 18 months, with extensive testing in the United States, South Africa and Europe. Available now, this all-new filter offers the ultimate in peace-of-mind riding in all extreme conditions thanks to its profiled single layer foam construction, which increases surface area and lengthens change intervals. Like all FunnelWeb filters, the...

- Suitable for 2021 CRF450R / CRF450RX