The Husqvarna 587631101 Muffler Assembly helps reduce engine exhaust noise while directing exhaust gases safely away from the engine. This replacement assembly mounts to the compatible engine’s exhaust system and channels combustion gases through an internal passage that helps dampen sound before releasing them. Its design supports proper exhaust flow and contributes to smoother, more... https://www.wholetoolbox.com/husqvarna-587631101-muffler-assembly/587631101.html