§ 29-90. Mufflers and prevention of noise.

(a)

Every vehicle shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise and no person shall use a muffler cutout or bypass or similar device upon a motor vehicle on a highway or street which creates excessive or unusual noise.

(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.

(c)

Every new motor vehicle and new motor vehicle engine beginning with the model year 1968 shall at all times be so equipped that crankcase emissions are not discharged into the ambient atmosphere from the vehicle or engine.

(d)

The owner or operator of any new motor vehicle or new motor vehicle engine beginning with the model year 1968 equipped with an exhaust emission system shall maintain the exhaust emission system in good operable condition and shall use it at all times that the motor vehicle or motor vehicle engine is operated. The owner or operator of the motor vehicle or motor vehicle engine shall not remove or intentionally make inoperable within the state the exhaust emission system, or any part thereof, except where the purpose of removal of the exhaust emission system, or part thereof, is to install another exhaust emission system, or part thereof, which is intended to be equally effective in reducing atmospheric emissions from the vehicle or engine.

(e)

No person or vehicle shall emit excessive or unusual noise on the highways or streets and no vehicle shall be equipped with a noisemaker other than the required horn.

State law reference

Similar provisions, V.T.C.A., Transportation Code §§ 547.604, 547.605.