: An Act amending Titles 42 (Judiciary and Judicial Procedure) and 75 (Vehicles) of the Pennsylvania Consolidated Statutes, in other required equipment, further providing for exhaust systems, mufflers and noise control; in inspection of vehicles, further providing for suspension of certificates of appointment; in snowmobiles and all-terrain vehicles, further providing for mufflers and sound control; imposing penalties; and making editorial changes.