690776 Muffler Adapter Fit for Briggs & Stratton Replace old part number 492232 | eBay
795998 Briggs & Stratton BS-Muffler-795998 - Muffler & Adapter to fit OHV engines from 9-18hp, Models include any starting with 28 & 31 Briggs & Stratton Engine Parts
Amazon.com: Exhaust 3/4 thread adapter for some: Small Engines Briggs or Tecumseh (READ DESCRIPTION) GENERATOR, GOKART, MINI BIKE. : Everything Else
Adapter-muffler 796002 - OEM Briggs and Stratton - eReplacementParts.com