The MTD 951-05956B Lawn Tractor Muffler-B&S Single reduces engine exhaust noise and directs exhaust gases away from the engine. It is designed for compatible Briggs & Stratton-powered lawn tractors and mowers, supporting proper exhaust flow during operation. This replacement muffler can be used when the original component is worn, clogged, or damaged, providing a practical solution fo... https://www.wholetoolbox.com/mtd-951-05956b-lawn-tractor-muffler-b-s-single/951-05956B.html