
RFX Race Pre-Oiled Air Filter (manufacturer part number: FXAF4000455PO) — designed by RFX and manufactured by Multi Air, this filter meets the expectations of motocross riders seeking reliable filtration and hassle-free installation. Pre-oiled and ready to install, it simplifies maintenance before heading out.
The dual-layer foam construction ensures good airflow management while trapping fine dust typical of off-road terrains. The foam used is non-flammable, a common feature of Multi Air models designed for 4-stroke engines. The precise fit allows for proper sealing in the airbox to limit unwanted infiltrations and keep internal components dry and clean.
Product Features:Particularly suitable for motocross and enduro use. Compatibility examples: YAMAHA WR 450 F (2019), YAMAHA WR 250 F (2019), YAMAHA WR 450 F ENDURO GP (2018). Ideal for riders looking for quick installation and robust trail filtration.