The MTD 951-11943A Lawn Tractor Muffler Single KH helps manage engine exhaust noise and direct exhaust gases away from the engine for reliable operation. Designed as a replacement muffler, it connects to the engine's exhaust system to channel combustion gases while reducing the noise produced during operation. Proper muffler function supports controlled exhaust flow, quieter equipment... https://www.wholetoolbox.com/mtd-951-11943a-lawn-tractor-muffler-single-kh/951-11943A.html