(a) Every motor vehicle shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise. Such muffler shall be the muffler originally installed by the manufacturer of the vehicle or, if a replacement, the equivalent thereof. No person shall use a muffler cutout, bypass, or similar device upon a motor vehicle on a highway.
(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.
Structure West Virginia Code
Chapter 17C. Traffic Regulations and Laws of the Road
§17C-15-2. When Lighted Lamps Are Required
§17C-15-3. Visibility Distance and Mounted Height of Lamps
§17C-15-4. Head Lamps on Motor Vehicles
§17C-15-6. Penalty for Violations of the Provisions of This Article
§17C-15-8. Application of §§ 17c-15-9 to 17c-15-13
§17C-15-9. Additional Lighting and Reflector Equipment Required on Certain Vehicles
§17C-15-10. Color of Clearance Lamps, Side Marker Lamps and Reflectors
§17C-15-11. Mounting of Reflectors, Clearance Lamps and Side Marker Lamps
§17C-15-12. Visibility of Reflectors, Clearance Lamps and Marker Lamps
§17C-15-13. Obstructed Lights Not Required to Be Lighted
§17C-15-14. Lamp or Flag on Projecting Load
§17C-15-15. Lamps on Parked Vehicles
§17C-15-16. Lamps on Animal-Drawn and Other Vehicles and Equipment
§17C-15-17. Spot Lamps and Other Auxiliary Lamps
§17C-15-18. Signal Lamps and Signal Devices
§17C-15-19. Additional Lighting Equipment
§17C-15-20. Multiple-Beam Road-Lighting Equipment -- Requirements Generally
§17C-15-21. Same -- Use Of; Dimming Lights Upon Approaching or Overtaking
§17C-15-22. Single-Beam Road-Lighting Equipment
§17C-15-23. Lighting Equipment on Motorcycles, Motor-Driven Cycles and Mopeds
§17C-15-24. Alternate Road-Lighting Equipment
§17C-15-25. Number of Driving Lamps Required or Permitted
§17C-15-26. Special Restrictions on Lamps
§17C-15-27. Standards for Lights on Snow Removal Equipment
§17C-15-30. Revocation of Certificate of Approval on Lighting Devices
§17C-15-31. Brakes -- Generally
§17C-15-32. Brakes on Motorcycles, Motor-Driven Cycles and Mopeds
§17C-15-33. Horns and Warning Devices
§17C-15-34. Mufflers; Prevention of Noise, Fumes and Smoke
§17C-15-36. Windshields Must Be Unobstructed and Equipped With Wipers
§17C-15-36a. Sun-Screening Devices; Penalty
§17C-15-37. Tire Equipment Restrictions; Rules and Regulations as to Certain Tires
§17C-15-39. Flares and Other Warning Devices to Be Carried in Certain Vehicles
§17C-15-40. Display of Warning Devices When Vehicle Is Disabled
§17C-15-41. Vehicles Transporting Explosives
§17C-15-43. Vehicles to Be Equipped With Safety Belts
§17C-15-45. Certification Labels on Mopeds
§17C-15-46. Child Passenger Safety Devices Required; Child Safety Seats and Booster Seats
§17C-15-47. Commercial Towing Vehicles to Employ Safety Chains
§17C-15-49a. Admissibility of Use or Nonuse of Safety Belts in Civil Actions