Illinois Antique Car Exhaust Laws. Unfortunately there is no national law that vehicle owners and exhaust manufacturers can reference to make sure their systems arent too loud. 1991 and newer vehicles must meet a 40 opacity standard.
These are the most common illegal vehicle modifications but let us know if youve been cited for a mod not on this list. 625 ILCS 51-101 from Ch. Amended at 6 Ill.
1995 or older IF compliant with the Illinois Vehicle Emissions Inspection Law as of February 1 2007.
These are the most common illegal vehicle modifications but let us know if youve been cited for a mod not on this list. 2548 has been introduced in Illinois to allow Antique Expanded Use vehicles to be driven without limitation for two additional months. Antique is defined as more than 25-years-old. Additionally these vehicles are not allowed to be used for normal daily transportation.