To increase the power for the highly restricted RC 125/200/250/390 '15/'18& Duke 125/200/250/390 '12/'16 , MWR developed a power-up kit for these bikes . Remove the toplid of the airbox and replace it with the MWR filterholder , maximum airflow & maximum performance is achieved.
This airfilter is not developed to reduce the inletnoise . Remapping the ECU or the Fuel Control Module is highly recommended
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