The Stihl MS 500i Billet Aluminum Muffler Base Assembly is a direct replacement exhaust base for the Stihl MS 500i, precision CNC machined from aerospace grade 6061 T6 billet aluminum for improved durability, heat dissipation, and long term reliability in demanding professional applications. IMPORTANT:This listing is for the MUFFLER BASE ASSEMBLY ONLY.The muffler cover is NOT included and must be purchased separately. The muffler cover shown in some product photos is not included. It is shown only to demonstrate the completed exhaust assembly when paired with our compatible muffler cover. Features:• CNC machined from 6061 T6 billet aluminum• Eliminates the restrictive factory internal baffle• Improved exhaust flow and heat dissipation compared to the factory stainless steel component• Increased durability and resistance to warping under high heat• Direct fit for the Stihl MS 500i when used with our muffler cover• Proudly made in the USA What’s Included:• (1) Billet Aluminum Muffler Base• Spark arrestor screen• Gasket• Mounting hardware, and Loctite 243 Threadlocker, 0.5 ml Bottle Installation Notes: Not Included:• Muffler cover This product is intended for customers replacing a damaged muffler base or pairing it with one of our separately sold billet muffler covers, while eliminating the restrictive factory baffle for improved exhaust flow and performance. Compatibility:• Stihl MS 500i
