HiFlo - Air Filter for Yamaha (HFA4401)

OE Replacement Air Filters

Hiflofiltro air filters are manufactured to fit the factory air box and are a direct replacement for original equipment filters. Top quality powerflow filtering media, developed for modern high performance engines.

Dual-Stage Racing Foam Air Filters

Competition off-road air filters manufactured in the Netherlands using a special dual-layer foam, formulated for maximum filtration and optimum air flow for improved power. Top quality materials and superior construction allow the filter to be used over and over again without any loss of performance. Available for most motocross and enduro models.

"DS" Dual-Stage Foam Scooter Air Filters

With identical construction to our winning motocross racing air filters, our “DS” Dual Stage filters feature two layers of special Hiflo foam, providing dual advantages of high air flow for top engine performance and maximum filtration.