Sec. 2. A motor vehicle must be equipped with a muffler free from the following visually discernible conditions: (1) Exhaust gas leaks. (2) Alteration of muffler elements. (3) Deterioration of muffler elements. [Pre-1991 Recodification Citation: 9-8-6-36.6(b).] As added by P.L.2-1991, SEC.7.