The Briggs & Stratton 805778 Lawn Mower Exhaust Manifold directs exhaust gases away from the engine through the exhaust system. It provides a connection between the engine's exhaust outlet and related exhaust components, helping guide combustion gases along the intended path. A properly functioning manifold supports exhaust flow during engine operation. Replacing a damaged or deterior... https://www.wholetoolbox.com/briggs-stratton-805778-lawn-mower-exhaust-manifold/805778.html