FMF Q4 Muffler 041332 1821-0887 Clutch Compression Tool The base of the S-M10

The base of the S-M10 has been sculpted to give a relief section

Both require the Cobra four-point docking hardware

Spring-loaded ball bearing adjuster allows for tension adjustment

Half-waffle design

NOTE: Both "Upper" and "Lower" R1 Velocity Stacks are designed to work togehter

FMF Q4 Muffler 041332 1821-0887 Clutch Compression Tool The base of the S-M10The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power to weight ratio Quiet power with minimal sacrifice for performance Developed over years of championship off road racing Twin stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor