2012 Indiana Code
TITLE 9. MOTOR VEHICLES
ARTICLE 19. MOTOR VEHICLE EQUIPMENT
CHAPTER 8. MUFFLERS AND NOISE LIMITS

IC 9-19-8
Chapter 8. Mufflers and Noise Limits

IC 9-19-8-1
Application of chapter
Sec. 1. This chapter applies to every motor vehicle except an antique motor vehicle registered under IC 9-18-12-1.
As added by P.L.2-1991, SEC.7.

IC 9-19-8-2
Muffler leaks, alteration, or deterioration
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.
As added by P.L.2-1991, SEC.7.

IC 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.
As added by P.L.2-1991, SEC.7.

IC 9-19-8-4
Muffler cutouts and bypasses
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.
As added by P.L.2-1991, SEC.7.

IC 9-19-8-5
Excessive fumes or smoke
Sec. 5. The engine and power mechanism of a motor vehicle must be equipped and adjusted so as to prevent the escape of excessive fumes or smoke.
As added by P.L.2-1991, SEC.7.

IC 9-19-8-6
United States Department of Transportation regulations; classification of violations
Sec. 6. (a) This section does not apply to a person who owns or operates a vehicle or combination of vehicles that:
(1) contains parts and accessories; and
(2) is equipped;
as required under regulations of the United States Department of

Transportation.
(b) A person who violates this chapter commits a Class C infraction.
As added by P.L.2-1991, SEC.7.

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