61-9-435. Exhaust noise limitation, MCA

Montana Code Annotated 2025

TITLE 61. MOTOR VEHICLES

CHAPTER 9. VEHICLE EQUIPMENT

Part 4. Miscellaneous Regulations

Exhaust Noise Limitation

61-9-435. Exhaust noise limitation. (1) Except as provided in subsection (2), a person may not operate a motor vehicle with an exhaust system that emits a noise in excess of 95 decibels, as measured by the society of automotive engineers' standard j1169 (May 1998).

(2) This section does not apply to a motorcycle or quadricycle that is subject to 61-9-418.

History: En. Sec. 5, Ch. 329, L. 2007; amd. Sec. 1, Ch. 378, L. 2025.