Feature: 1. Easy to Install: The muffler fit for MS661 chainsaw is very easy to install and use, and after regular operations, it will bring you the desired effect to improve your efficiency. 2. Corrosion Prevention: The muffler fit for MS661 is corrosion resistant and has good stability even under unconventional conditions, making it suitable for long term use. 3. High Hardness: Muffler for MS661 chainsaw can increase the lifespan of your product, and high hardness is the most basic guarantee, providing you with sufficient reliability. 4. Iron Materials: The muffler fit for MS661 chainsaw is made of iron materials, which is not easily damaged and has high hardness, It is a good companion for you when working. 5. Useful Accessories: If your previous accessories are damaged or old, then this chainsaw muffler is very suitable for you to directly replace the damaged or old ones. Specification: Item Type: Chainsaw Muffler Product Material: Iron Weight: Approx. 264g / 9.3oz Hole Distance: Approx. 93x85x83mm / 3.66x3.35x3.27in. Package List: 1 x Muffler