Oklahoma § 47-12-402 Mufflers or other noise-suppressing systems -

Oklahoma Statutes

§ 47-12-402 — Mufflers or other noise-suppressing systems -

Oklahoma § 47-12-402

Title 47Motor Vehicles

This text of Oklahoma § 47-12-402 (Mufflers or other noise-suppressing systems -) is published on Counsel Stack Legal Research, covering Oklahoma primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook

Okla. Stat. tit. 47, § 47-12-402 (2026).

Text

Prevention of excessive or unusual noise.

A.Every vehicle shall be equipped, maintained, and operated so as to prevent excessive or unusual noise. Every motor vehicle shall at all times be equipped with a muffler or other effective noise- suppressing system in good working order and in constant operation, and no person shall use a muffler cut-out, bypass or similar device. No person shall modify the exhaust system of a motor vehicle in any manner which will amplify or increase the noise or sound emitted louder than that emitted by the muffler originally installed on the vehicle.

B.The engine and power mechanism of every motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes or smoke, or both.

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Prevention of excessive or unusual noise. A. Every vehicle shall be equipped, maintained, and operated so as to prevent excessive or unusual noise. Every motor vehicle shall at all times be equipped with a muffler or other effective noise- suppressing system in good working order and in constant operation, and no person shall use a muffler cut-out, bypass or similar device. No person shall modify the exhaust system of a motor vehicle in any manner which will amplify or increase the noise or sound emitted louder than that emitted by the muffler originally installed on the vehicle. B. The engine and power mechanism of every motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes or smoke, or both.