Description
FMF (042383) Mini Factory 4.1 Slip-On Muffler | Factory 4.1 Muffler
- Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps
- The lightest mufflers available
- Superior power and performance – horsepower improved throughout the rpm range
- Feature exclusive proprietary Chamber Core technology
- Factory Forward Engineering centralizes mass, improves handling
- Made from premium quality American materials
- Customize with performance tuning inserts and spark arrestor module
- Meet AMA sound requirements on most models; inserts available for others
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