MUFFLER Q4 SA YZ/WR450 Inner Liner Kit dry and reactive

dry and reactive

22mm hex and 3/8in square drive

MID ADVENTURE 2 GORE

Rim Size: 19 Width: 70 Aspect: 100 Load Rate: 40 Pattern: M7332F MX-ST+ Speed Rate: M Terrain: Soft / Inter Plus Use: Motocross Fitment Summary

YFM450 Grizzly IRS 07

MUFFLER Q4 SA YZ/WR450 Inner Liner Kit dry and reactiveQ4 Slip On Muffler The 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 NOTE: Will not pass 2025 FIM sound regulation Specification Model: Q4