{"data":{"id":"us-mt/61-9-435","jurisdiction":"us-mt","citation":"61-9-435","heading":"Exhaust noise limitation.","body":"(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).\n(2) This section does not apply to a motorcycle or quadricycle that is subject to 61-9-418.","path":["TITLE 61. MOTOR VEHICLES","CHAPTER 9. VEHICLE EQUIPMENT","Part 4. Miscellaneous Regulations"],"source_url":"https://mca.legmt.gov/bills/mca/title_0610/chapter_0090/part_0040/section_0350/0610-0090-0040-0350.html","current_through":"Montana Code Annotated 2025","vintage":"","retrieved_at":"2026-09-14T04:58:00Z","sha256":"c5f2c986dd372bf21a6ed3630f191bd19e0d670f95b447167adb3ed73ff05547","source_id":"us-mt","stale":false,"prev":"us-mt/61-9-433","next":"us-mt/61-9-436"},"notice":"GroundRules: Original legal text. Not legal advice."}