GroundRules
← Search the law
Montana · Through Montana Code Annotated 2025

61-9-435: Exhaust noise limitation.

Read at publisher ↗
Where this section sits in the code
  1. TITLE 61. MOTOR VEHICLES
  2. CHAPTER 9. VEHICLE EQUIPMENT
  3. Part 4. Miscellaneous Regulations

(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.

Collected 2026-09-14T04:58:00Z. Source file · JSON

Browse this collection