FMF Factory 4.1 Muffler 041594 1821-2020 Elsewhere Jersey - Black - XL Stretch accordions on fingers and

Stretch accordions on fingers and thumb to increase flexibility and fit

Sounds reducing insert included in kit (USDF/USDA approved spark arrester

Universal fitting with anti-vibration rubber straps

Localized perforation on full front panels

FMF Factory 4.1 Muffler 041594 1821-2020 Elsewhere Jersey - Black - XL Stretch accordions on fingers andFactory 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