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MWR AIR FILTER YAMAHA MC-090-04HE
MWR High Efficiency Air Filter for:
R1 -> '04/'07
No modifications needed
The MWR High Efficiency Air Filter for road and racing bikes. The aim of this revolutionary design is to reduce intake noise while increasing power. This design has proven a reduction of up to 8 db compared to other sport bike filters.
Unlike all other sport filters, the “HE” filter creates a much better and more uniform air flow to all cylinders, which means that you must adapt the fuel supply of all cylinders separately to achieve the maximum effect of the “HE” filter. It affects all twin, V-twin, three, four and V4 engines.
It is recommended to remap the ECU or fuel control module
