Montana Statutes
§ 61-9-435 — 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 .
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Legislative History
En. Sec. 5, Ch. 329, L. 2007; amd. Sec. 1, Ch. 378, L. 2025.
Nearby Sections
15
§ 61-9-101
Application -- Exceptions§ 61-9-104
Required Obedience To Traffic Laws§ 61-9-105
Obedience To Peace Officers, Highway Patrol Officers, And Public Safety Workers -- Definition§ 61-9-201
When Lighted Lamps Are Required§ 61-9-203
Headlamps On Motor Vehicles§ 61-9-204
Taillamps -- Definition§ 61-9-206
Stop Lamps -- When Required