**** 69th Legislature 2025 SB 264 - 1 - Authorized Print Version – SB 264 ENROLLED BILL AN ACT ELIMINATING A DEFENSE TO THE EXHAUST NOISE LIMITATION STATUTE; AND AMENDING SECTION 61-9-435, MCA. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MONTANA: Section 1. Section 61-9-435, MCA, is amended to read: "61-9-435. 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) A person charged with violating this section may not be convicted if the person had reasonable grounds to believe that the vehicle was not operated in violation of the standard in subsection (1). (3)(2) This section does not apply to a motorcycle or quadricycle that is subject to 61-9-418." - END - I hereby certify that the within bill, SB 264, originated in the Senate. ___________________________________________ Secretary of the Senate ___________________________________________ President of the Senate Signed this _______________________________day of____________________________________, 2025. ___________________________________________ Speaker of the House Signed this _______________________________day of____________________________________, 2025. SENATE BILL NO. 264 INTRODUCED BY R. TEMPEL AN ACT ELIMINATING A DEFENSE TO THE EXHAUST NOISE LIMITATION STATUTE; AND AMENDING SECTION 61-9-435, MCA.