Fmf Factory 4.1 Slip-On Muffler Honda CRF450R 2021-...

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

• Brand: FMF
• Vendor Part Number: 041602
• End Cap Material: Carbon Fiber
• Material: Stainless Steel
• Model: Factory 4.1
• Product Name: Muffler
• Type: Slip-On
• Units: Each