Sec. 4. A motor vehicle may not be equipped with any of the following: (1) A muffler cutout. (2) A bypass. (3) Any similar device. [Pre-1991 Recodification Citation: 9-8-6-36.6(d).] As added by P.L.2-1991, SEC.7.
Muffler cutouts and bypasses
Ind. Code § 9-19-8-4, under Mufflers and Noise Limits.
Ind. Code § 9-19-8-4