K & N Air Filter - EX400 Ninja KA-4018 Custom Air Cleaner Assembly — Round/Open Fitment: Yamaha R1 1998-2017 +

Fitment: Yamaha R1 1998-2017 + Yamaha R6 1999-2017 + Yamaha R6S 2006-2009

Graves Silencer No inserts at 5000 rpm 103db

FCS® cheek pads design delivers comfort and support and features 5 mm peel-away custom-fit layer

Note: This "Bike Side" kit listed here and separate listing for the "Bench Kit" do the exact same thing

Tensile strength: 11800

K & N Air Filter - EX400 Ninja KA-4018 Custom Air Cleaner Assembly — Round/Open Fitment: Yamaha R1 1998-2017 +Fits 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.