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MontanaSB 26469th Legislature, Regular Session (2025)SenateWALLET

Eliminate a defense to the vehicle noise statute

Sponsored By: Russ Tempel (Republican)

Became Law

Motor Vehicles

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Bill Overview

Analyzed Economic Effects

1 provisions identified: 0 benefits, 0 costs, 1 mixed.

95 dB limit on car exhaust noise

Montana bans driving a motor vehicle if the exhaust is louder than 95 decibels, measured by SAE J1169 (May 1998). The rule uses that specific test to decide if your vehicle is too loud. It does not apply to motorcycles or quadricycles that are subject to 61-9-418. If you are charged, you cannot be convicted if you had reasonable grounds to believe the vehicle met the 95 dB limit.

Sponsors & Cosponsors

Sponsor

  • Russ Tempel

    Republican • Senate

Cosponsors

  • Neil Duram

    Republican • House

Roll Call Votes

All Roll Calls

Yes: 192 • No: 104

Senate vote • 4/11/2025

Do Concur

Yes: 52 • No: 47

Senate vote • 4/10/2025

Do Concur

Yes: 73 • No: 26

Senate vote • 2/18/2025

Do Pass

Yes: 33 • No: 17

Senate vote • 2/15/2025

Do Pass

Yes: 34 • No: 14

Actions Timeline

  1. Chapter Number Assigned

    5/8/2025Senate

  2. Signed by Governor

    5/5/2025Senate

  3. Transmitted to Governor

    4/25/2025Senate

  4. Signed by Speaker

    4/25/2025House

  5. Signed by President

    4/21/2025Senate

  6. Returned from Enrolling

    4/12/2025Senate

  7. Sent to Enrolling

    4/11/2025Senate

  8. 3rd Reading Concurred

    4/11/2025House

  9. 2nd Reading Concurred

    4/10/2025House

  10. Committee Report--Bill Concurred

    4/1/2025House

  11. Committee Executive Action--Bill Concurred

    3/31/2025House

  12. Fiscal Note Printed

    2/28/2025Senate

  13. Fiscal Note Signed

    2/27/2025Senate

  14. Revised Fiscal Note Received

    2/26/2025Senate

  15. Hearing

    2/21/2025House

  16. First Reading

    2/19/2025House

  17. Referred to Committee

    2/19/2025House

  18. Fiscal Note Requested

    2/19/2025Senate

  19. Fiscal Note Requested

    2/19/2025House

  20. Transmitted to House

    2/18/2025Senate

  21. 3rd Reading Passed

    2/18/2025Senate

  22. 2nd Reading Passed

    2/15/2025Senate

  23. Committee Report--Bill Passed

    2/13/2025Senate

  24. Committee Executive Action--Bill Passed

    2/12/2025Senate

  25. Hearing

    2/7/2025Senate

Bill Text

  • Enrolled

    4/15/2025

    PDF

  • Introduced

    2/4/2025

    PDF

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