A-B1590379-AI MUFFLEROne New Aftermarket Replacement Muffler Fits Briggs and Stratton (B&S) Engines This aftermarket replacement muffler Fits Briggs and Stratton (B&S) small engines commonly used in lawn mowers, riding tractors, and other outdoor power equipment. The muffler attaches to the engine exhaust port and directs exhaust gases away from the engine while reducing operating noise levels. Compatible Models Fits Briggs and Stratton Engine Series 25T232: 25T232 0007