The Echo P021015041 Muffler Assembly manages engine exhaust while helping reduce operating noise. The muffler directs exhaust gases away from the engine and helps control the sound produced during combustion. This replacement assembly is designed for compatible Echo equipment and can replace a worn or damaged muffler during engine maintenance or repair. Proper installation helps maint... https://www.wholetoolbox.com/echo-p021015041-muffler-assembly/P021015041.html