FMF Q4 Muffler 044199 1821-0678 Youth Tech 3S Boots — 35 8lbs lighter than stock

8lbs lighter than stock

cooling performance and comfort

Direct replacement top central vent for Alpinestars SM5 helmets

A-Head fitting height and angle adjustment system

Lightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic in two sizes The inner and outer surfaces are engineered to minimize the effects of oblique impacts

FMF Q4 Muffler 044199 1821-0678 Youth Tech 3S Boots — 35 8lbs lighter than stockThe 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