The Performance airfilter , exelent performance and max protection.
To develope our own Performance Airfilter for the Monster 821/1200 we could create a bigger intake opening and a 40% bigger filter for better performance and better protection.
No copy of the std. filter, always searching for solutions , either it’s the performance , protection or fitment.
Caution: clean and re-oil at least once a year with MWR airfilteroil & cleaner.
Remapping the ECU or the Fuel Control Module is recommended.
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