FMF Q4 Muffler 041249 1821-0653 5 Level Twist Throttle Heated Grips Resistant to cracking or ripping

Resistant to cracking or ripping

5 O2 sensor bung (optionally cylinder specific bungs)

Weight reduced by 30% compared to the original exhaust

100% butyl tubes minimize natural air leakage and maintains air pressure for longer period of time

increases exhaust from the mouth area and reduces wind noise coming up from below

FMF Q4 Muffler 041249 1821-0653 5 Level Twist Throttle Heated Grips Resistant to cracking or rippingThe 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