The Straightline Performance Carbon Fiber Muffler for Polaris AXYS 850 Patriot models combines a genuine carbon fiber muffler body with premium polished stainless steel construction to deliver an impressive 11-pound weight savings. Featuring exceptional fit and finish, a deep performance sound, and industry-leading craftsmanship, this direct bolt-on muffler provides outstanding durability, premium styling, and improved riding performance. Carbon fiber mufflers are serviceable and should be inspected and rebuilt periodically based on riding conditions and usage.