FMF Factory 4.1 Slip-On Muffler Honda CRF 450 21-26

Features:

• 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
• NOTE: Will not pass 2025 FIM sound regulation

Fit the models: