Muffler Heavy Duty Lincoln SA 200 250 Gas Only Resonator & Cap Want to tame that sound on your welder? This is a ~17.5" Exhaust Pipe with RESONATOR for a Lincoln SA-200 Welder with a F-163 or F-162 Continental motor. Threaded end is 1-1/2" inside diameter black steel pipe. The output end is standard auto exhaust pipe. Includes high-temp anti-sieze compound and a rain cap. High-temp anti-seize compound is included.