Arnold 2-1/4 In. 3 to 4 HP Vertical Engine Muffler

Small engine. Pancake Type thread-on muffler 2-1/4" overall. Fits 3 to 4 HP Briggs & Stratton, Clinton, and Lauson vertical shaft engines. Pipe size: 1/2" I.D., 3/4" O.D. Replaces Briggs & Stratton Model No. 298830 and others.