A-B1820817-AI GASKET-EXHAUSTOne New Aftermarket Replacement Exhaust Gasket Fits Briggs and Stratton (B&S) Small Engines This aftermarket replacement exhaust gasket seals the joint between the exhaust port and muffler or exhaust manifold on Fits Briggs and Stratton small gasoline engines. A properly sealing exhaust gasket prevents exhaust gases from escaping, reduces engine noise, and helps maintain engine performance. Replace a worn, cracked, or blown exhaust gasket to restore a