S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011 Nucleon KR-TB Tailbone Protector CAD designed and stress tested

CAD designed and stress tested to improve braking feel and control

Can mounts directly to the motorcycle by using a stealth integrated mount point built into the silencer

The design also reduces the Tech 10s profile and physical size

comfort and superior abrasion resistance

Graves Motorsports 3 in 1 Socket is a direct fitment for the steering castle nut on the 98-14 Yamaha R1

S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011 Nucleon KR-TB Tailbone Protector CAD designed and stress testedBold 4 1 2" design with stainless steel baffle & RaceTEX packing Produces a deep bass rumble throughout the RPM range 50 state legal Removable dB reducer Made in the U. S. A.