FMF Factory 4.1 Muffler 041592 1821-2018 Inverted Series Air Cleaner Kit — Deep Cut side hand reinforcement and Alpinestars

side hand reinforcement and Alpinestars race finger bridge

Both gallon and liter fluid volume indicator on tank

trace and cut with scissors or razor knife

Removable molded breath deflector and chin curtain Injection molded polycarbonate shell for strength

Sump guard erases reasoning noise from rocks impacts

FMF Factory 4.1 Muffler 041592 1821-2018 Inverted Series Air Cleaner Kit — Deep Cut side hand reinforcement and AlpinestarsThe 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