The Straightline Performance Ultra-Light Muffler for Polaris Matryx 9R Patriot models features, 11.5lb weight savings, premium polished stainless steel construction, exceptional fit and finish, and a lightweight performance design. Built to perform on both stock and modified engines, this direct bolt-on muffler delivers a deep performance tone, outstanding durability, and improved handling through reduced overall sled weight. One of the most versatile and proven muffler upgrades available for the Polaris Patriot platform.