This OEM muffler is specifically designed for Husqvarna 435, 440, 445, and 450 E chainsaws. The muffler is made of high-quality materials to ensure durability and long-lasting performance. It is easy to install and will help reduce exhaust noise, so you can work comfortably without disturbing your neighbors. This muffler is perfect for those who want to replace a worn-out or damaged muffler on their Husqvarna chainsaw.