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

Includes Pinlock-120 fog resistant lens

Alloy friction plate

This is our latest generation version with an improved construction both inside and out that can easily withstand the heat and vibration of race use

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.