FMF Factory 4.1 Muffler 041592 1821-2018 Screen Insert for 4-Stroke Exhaust — Spark Arrestor A bit louder than Cobra's

A bit louder than Cobra's standard offerings It produces that deep rumble you expect

Sport styled

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

Innovative heat-bonded outer shell membrane construction Outdry

FMF Factory 4.1 Muffler 041592 1821-2018 Screen Insert for 4-Stroke Exhaust — Spark Arrestor A bit louder than Cobra'sThe 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