Muffler - Prevention of noise and smoke
N.D. Cent. Code § 39-21-37
in effect39-21-37. Muffler - Prevention of noise and smoke
1. Every motor vehicle must at all times be equipped with a muffler in good working order
and in constant operation to prevent excessive or unusual noise and annoying smoke,
and no person may use a muffler cutout, bypass, or similar device upon a motor
vehicle on a highway.
2. The engine and power mechanism of every motor vehicle must be so equipped and
adjusted as to prevent the escape of excessive fumes or smoke.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://ndlegis.gov/cencode/t39c21.pdf#nameddest=39-21-37Fetched: 10/16/2026