Murray 1001717MA Muffler 28/31 E reduces engine exhaust noise while supporting efficient engine operation. This replacement muffler is designed to direct exhaust gases away from the engine and reduce sound produced during the combustion process. It works by channeling exhaust through internal chambers that dissipate noise before releasing the gases into the atmosphere. Designed for co... https://www.wholetoolbox.com/murray-1001717ma-muffler-28-31-e/1001717MA.html