Description
If you’re running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers race-proven quiet power that doesn’t compromise your engine’s potential. Engineered through years of championship off-road racing, this muffler uses advanced baffle and chamber placement to absorb sound efficiently while keeping weight minimal—so you gain power-to-weight benefits alongside compliance. The twin-stage core design extends packing life and maintains consistent performance across extended riding sessions.
- Twin-stage core design
- Precisely engineered baffles
- Lightweight construction
- Standard spark arrestor included
- Reduced sound output
- Extended packing life
- Race-tested reliability
- Bolt-on installation
- MPN: 044232






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