FMF Factory 4.1 Muffler 041592 1821-2018 Screen Insert for 4-Stroke Exhaust — Spark Arrestor Direct replacement chain sliders

Direct replacement chain sliders

Double Layered Luminous Dial

100% Combed ring spun cotton Front Alpinestars americana graphic

Tech-Air® Ready An engineered sports body mapped fit and pre-curved sleeves for optimal riding performance

Stretch zone on fingers and backhand for comfort and improved range of hand movement

FMF Factory 4.1 Muffler 041592 1821-2018 Screen Insert for 4-Stroke Exhaust — Spark Arrestor Direct replacement chain slidersThe 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