Enhance your Yamaha's performance with the MBRP AT-7405 Utility Slip-On Muffler. Designed to provide better exhaust flow than OEM models, this muffler offers a slight increase in sound without compromising your ride's comfort. Its precise fit mimics that of original equipment components, ensuring a seamless installation experience. Whether you're looking to replace your old muffler or upgrade for more efficiency, the MBRP Utility Muffler is the economical choice for any Yamaha enthusiast. This versatile muffler comes equipped with a USFS Approved Spark Arrestor, making it a reliable option for off-road adventures. Built with durable materials, the MBRP AT-7405 is engineered to withstand the toughest conditions while delivering a performance boost. Choose the MBRP Utility S/O Muffler for a harmonious blend of style, performance, and functionality. Features: * Better flow than OEM with a slight increase in sound * Fits just like OEM components for easy installation * Economical OE replacement for cost-effective upgrades * Includes USFS Approved Spark Arrestor for safety * 3.5" diameter for Utility Mufflers for optimal performance * 4.25" diameter for Sport Mufflers for enhanced sound * 4.5" diameter for Performance Mufflers for maximum efficiency