K & N Air Filter - Honda CBR1000RR HA-1017R 4" Slip-On Muffler or replace original equipment catalysts

or replace original equipment catalysts

which realizes high-strength and light-weight

but points are rounded for safety

The silencer is one piece with the tail pipe welded to a Titanium entrance cap for a perfect fit every time

8 lbs over stock

K & N Air Filter - Honda CBR1000RR HA-1017R 4" Slip-On Muffler or replace original equipment catalystsFits 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.