MWR PERFORMANCE FILTER FOR DUCATI PANIGALE V4/V4S 2018/19MC 020 18 The MWR Performance & Race Airfilter For The Ducati Panigale V4 Are Developed To Increase Maximum Filtersurface , We Managed To Increase The Surface With More Than 40% , More Filtersurface Is Better Protection , Less Restriction And More Power. CAUTION: Filter Needs To Be Installed As The OEM Filter , But (Very Important) With The Printed MWR Logo Below Because The Filter Is Asymmetrical Build , See Picture . Clean And Re Oil At Least Once A