Existing law requires every motor vehicle subject to registration to be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise and prohibits a muffler or exhaust system from being equipped with a cutout, bypass, or similar device. Existing law further prohibits the modification of an exhaust system of a motor vehicle in a manner that will amplify or increase the noise emitted by the motor of the vehicle so that the vehicle exceeds existing noise limits when tested in accordance with specified standards.
California SB 1079 (20212022) — Vehicles: sound-activated enforcement devices.
Existing law requires every motor vehicle subject to registration to be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise and prohibits a muffler or exhaust system from being equipped with a cutout, bypass, or similar device. Existing law further prohibits the modification of an exhaust system of a motor vehicle in a manner that will amplify or increase the noise emitted by the motor of the vehicle so that the vehicle exceeds existing noise limits when tested in accordance with specified standards.
Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
Do pass as amended and be re-referred to the Committee on [Judiciary] — 14–0 (pass) · lower
Do pass as amended and be re-referred to the Committee on [Appropriations] — 11–0 (pass) · lower
Do pass — 8–1 (pass) · upper
Sponsors
Portantino — primary (person)
Archuleta — coauthor (person)
Luz Rivas — coauthor (person)
Min — coauthor (person)
Petrie-Norris — coauthor (person)
Timeline
The legislative action history — every referral, reading, and vote.
2022-02-15 Introduced. Read first time. To Com. on RLS. for assignment. To print. introduction, reading-1
2022-02-15 Article IV Section 8(a) of the Constitution and Joint Rule 55 dispensed with February 7, 2022, suspending the 30 calendar day requirement.
2022-02-16 From printer.
2022-02-23 Referred to Coms. on TRANS. and JUD. referral-committee
2022-03-02 Set for hearing March 22.
2022-03-28 From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 12. Noes 1. Page 3184.) (March 22). amendment-passage, committee-passage, committee-passage-favorable
2022-03-29 Read second time and amended. Re-referred to Com. on JUD. amendment-passage, reading-1, reading-2, referral-committee
2022-04-14 Set for hearing May 3.
2022-05-04 From committee: Do pass. (Ayes 8. Noes 1. Page 3596.) (May 3). committee-passage, committee-passage-favorable
2022-05-05 Read second time. Ordered to third reading. reading-1, reading-2
2022-05-23 Read third time and amended. amendment-passage, reading-1, reading-3
2022-05-23 Ordered to second reading.
2022-05-24 Read second time. Ordered to third reading. reading-1, reading-2
2022-05-26 Read third time. Passed. (Ayes 28. Noes 4. Page 3977.) Ordered to the Assembly. passage, reading-1, reading-3
2022-05-27 In Assembly. Read first time. Held at Desk. reading-1
2022-06-02 Referred to Coms. on TRANS. and JUD. referral-committee
2022-06-21 From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 14. Noes 0.) (June 20). amendment-passage, committee-passage, committee-passage-favorable
2022-06-22 Read second time and amended. Re-referred to Com. on JUD. amendment-passage, reading-1, reading-2, referral-committee
2022-06-28 From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 0.) (June 28). amendment-passage, committee-passage, committee-passage-favorable
2022-06-29 Read second time and amended. Re-referred to Com. on APPR. amendment-passage, reading-1, reading-2, referral-committee
2022-08-03 August 3 set for first hearing. Placed on suspense file.
2022-08-11 From committee: Do pass. (Ayes 16. Noes 0.) (August 11). committee-passage, committee-passage-favorable
2022-08-15 Read second time. Ordered to third reading. reading-1, reading-2
2022-08-24 Read third time. Passed. (Ayes 76. Noes 0. Page 6180.) Ordered to the Senate. passage, reading-1, reading-3
2022-08-24 In Senate. Concurrence in Assembly amendments pending.
2022-08-30 Assembly amendments concurred in. (Ayes 37. Noes 1. Page 5308.) Ordered to engrossing and enrolling. amendment-passage, committee-passage-favorable
2022-09-06 Enrolled and presented to the Governor at 3:30 p.m.
2022-09-19 Approved by the Governor. executive-signature
2022-09-19 Chaptered by Secretary of State. Chapter 449, Statutes of 2022. became-law
Source
OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/10b1d039-03eb-4254-9a73-a15933aae5b0. Confidence: reported (aggregated from official California legislature records).