For the purposes of this chapter, the following definitions apply:
1. “Excessive noise” means a sound which is loud, raucous, irritating, annoying, and unreasonable and which exceeds the usual normal, appropriate, and regular sounds.
2. “Exhaust” means those gases, fumes, chemical, and/or physical parts which are the result of an operation of the ignition stroke of an internal combustion engine.
3. “Exhaust pipe” means that part of the means of enclosed conveyance designed to carry from the lower extremity of an exhaust manifold to the entry point of a muffler.
4. “Exhaust system” means all parts of a motor vehicle through which the exhaust passes after leaving the engine block.
5. “Motor vehicle” means every vehicle which is propelled by an internal combustion engine riding on one or more round wheels, designed to be capable of operating on any street, alley, right-of-way, or public access within the City.
6. “Smoke” means any emission of fumes or exhaust which can be readily observed by an individual of normal eyesight or corrected normal eyesight during the hours of daylight.