H4129 • 2025

An Act relative to the installation of illegal mufflers

Active

The official status still shows this bill as active or still awaiting another formal step.

Sponsor: Bruce J. Ayers
Last action: 2026-02-25
Official status: Accompanied a study order, see H5143
Effective date: Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

An Act relative to the installation of illegal mufflers

An Act relative to the installation of illegal mufflers By Representative Ayers of Quincy, a petition (accompanied by bill, House, No.

What This Bill Does

An Act relative to the installation of illegal mufflers By Representative Ayers of Quincy, a petition (accompanied by bill, House, No.
4129) of Bruce J.
Ayers relative to the installation of illegal mufflers.
Transportation.

Limits and Unknowns

This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

2026-02-25 House
Accompanied a study order, see H5143
2025-10-21 Joint
Hearing rescheduled to 10/21/2025 from 11:00 AM-11:45 PM in A-2 and Virtual Hearing updated to New End Time
2025-10-15 Joint
Hearing rescheduled to 10/21/2025 from 11:00 AM-01:00 PM in A-2 and Virtual Hearing location changed
2025-10-09 Joint
Hearing scheduled for 10/21/2025 from 11:00 AM-01:00 PM in B-2
2025-05-15 Senate
Senate concurred
2025-05-12 House
Referred to the committee on Transportation

Official Summary Text

An Act relative to the installation of illegal mufflers
By Representative Ayers of Quincy, a petition (accompanied by bill, House, No. 4129) of Bruce J. Ayers relative to the installation of illegal mufflers. Transportation.

Current Bill Text

Read the full stored bill text

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Bill H.4129

SECTION 1. Section 7A of chapter 90 of the General Laws, as appearing in the 2022 Official Edition, is hereby amended by striking out, in lines 39 and 40, the words “and exhaust system” and inserting in place thereof the following words:- , exhaust system and muffler.

SECTION 2. Section 16 of said chapter 90, as so appearing, is here by amended by adding the following paragraph:-

The registrar shall establish rules and regulations providing for the inspection of mufflers pursuant to the first paragraph during a periodic staggered inspection of all motor vehicles established in section 7A. If a muffler fails to pass the inspection the vehicle shall receive a certificate of rejection windshield sticker indicating that the vehicle had failed its inspection. The registrar shall establish fines for mufflers that fail to pass inspection.

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