A-B1593876-AI MUFFLEROne New Aftermarket Replacement Muffler Fits Briggs and Stratton (B&S) Vanguard Engines This aftermarket replacement muffler Fits Briggs and Stratton Vanguard V Twin engines and is part of the exhaust system responsible for reducing engine noise and managing exhaust flow. It is designed for use on Fits Briggs and Stratton (B&S) 656cc and 810cc Vanguard vertical shaft engines in the 18 28 HP range, including the 49E800 series (Vanguard EFI). Common