Ind. Code § 9-19-8-3
Operation of muffler or noise dissipative device
Sec. 3. A motor vehicle must be equipped with a muffler or other noise dissipative device that meets the following conditions:
(1) Is in good working order.
(2) Is in constant operation to prevent excessive noise.
[Pre-1991 Recodification Citation: 9-8-6-36.6(c).]
As added by P.L.2-1991, SEC.7.