FMF Q4 Muffler 041585 1821-1967 Madison 125 1999/2006 Headers stepped 1-3/4" to 1-7/8"

Headers stepped 1-3/4" to 1-7/8" to 2"

Works with stock controls

Rugged Single- and double-needle polyester stitching

large pocket: 9

Drystar® performance membrane construction for guaranteed waterproof performance and sensitivity

FMF Q4 Muffler 041585 1821-1967 Madison 125 1999/2006 Headers stepped 1-3/4" to 1-7/8"The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power to weight ratio Quiet power with minimal sacrifice for performance Developed over years of championship off road racing Twin stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor