K & N Air Filter - Aprilia AL-1004 Big Ass® Detachable Wrap Around Rack Facial Contour System (FCS®) adds

Facial Contour System (FCS®) adds just the right amount of support by moving out of the way when putting the helmet on

Fitment: RSV4 2017-2020 (See separate listing for 19-20 FACTORY  this will fit all other versions 17-20 RSV4 except the 19-20 factory)

Graves Frame slider kits are engineered on the race track and have precise fitment

Silencer mount directly to the OEM rearset bracket using a stealth integrated "strapless" bracket built into the silencer

Alloy friction plate

K & N Air Filter - Aprilia AL-1004 Big Ass® Detachable Wrap Around Rack Facial Contour System (FCS®) addsFits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit Fuel management modifications are not required for increased performance Pleated media provides a large filtration area offering long service intervals Designed to provide increased performance Made in the U. S. A.