New Jersey · 2026-2027 Regular Session · Bill
S 4638: Prohibits modification of mufflers and exhaust systems to produce audible sounds; increases penalties for violations.
In committee Official data
- Introduced
- In committee
- Passed one chamber
- Passed both chambers
- Enacted
Last official action: ·Record last updated:
Plain-language summary
S 4638 is a bill introduced in the New Jersey Senate on October 1, 2026. According to its official title, it concerns: Prohibits modification of mufflers and exhaust systems to produce audible sounds; increases penalties for violations. Primary sponsor: Jim Holzapfel (Republican). It lists 1 additional sponsor. Most recent recorded action (October 1, 2026): Introduced in the Senate, Referred to Senate Transportation Committee.
Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written
Sponsors
Sponsors by party (alphabetical): Republican 1
| Name | Role | Party | Chamber | District |
|---|---|---|---|---|
| Jim Holzapfel | Primary sponsor | Republican | Senate | 10 |
| Diegnan, Patrick J., Jr. | Co-sponsor | Not applicable (committee) | — | — |
“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.
Recent official actions
- Introduced in the Senate, Referred to Senate Transportation Committee