FMF

Muffler Anti Fact 4.1 Crf

Part # 1821-2021

• —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