A-B1691502-AI MANIFOLD-EXHAUSTOne New Aftermarket Replacement Exhaust Manifold Fits Briggs and Stratton (B&S) Small Engines This aftermarket replacement exhaust manifold Fits Briggs and Stratton small engines used in lawn mowers, lawn tractors, and other outdoor power equipment. The exhaust manifold channels combustion gases away from the engine cylinder head and directs them into the exhaust system, helping maintain proper engine airflow and reduce heat buildup during operation.