Act No. 3992 Section 51

Mufflers and smoke.

Section 51

SEC. 51. Mufflers and smoke.—Every motor vehicle propelled by an internal combustion engine shall be equipped with a muffler, and whenever said motor vehicle passes through the street of any city, municipality, or thickly populated district or barrio, the muffler shall not be cut out or disconnected. No unnecessary or disagreeable odor, smoke or noise of any kind shall be given off, emitted, caused or made by any motor vehicle in the places mentioned in this section.

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Other provisions in CHAPTER III.—OPERATION OF MOTOR VEHICLES

Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗ · Data as of July 4, 2026

CitationAct No. 3992 Section 51 (LawPlayer, data as of July 4, 2026)

Source: Supreme Court E-Library, Republic of the Philippines. Philippine laws are public documents (works of the government).

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