Skip to product information
1 of 1

FMF Factory 4.1 Muffler 041592 1821-2018

FMF Factory 4.1 Muffler 041592 1821-2018

Regular price $264.00 USD
Regular price $299.99 USD Sale price $264.00 USD
Sale Sold out
Shipping calculated at checkout.
  • 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
View full details