FMF Factory 4.1 Muffler KLX140 2008-2021 042382 1821-2022 T-Fuse Sport Shell Waterproof Jacket Exhaust springs should be measured

Exhaust springs should be measured when they are off the vehicle

guaranteeing a perfect heat cycle every time

Palm reinforcement for a superior grip

on seam side pockets

while being a light weight replacement to the plastic OEM version

FMF Factory 4.1 Muffler KLX140 2008-2021 042382 1821-2022 T-Fuse Sport Shell Waterproof Jacket Exhaust springs should be measuredFactory 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