[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR202.22] [Page 82] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 202--MOTOR CARRIERS ENGAGED IN INTERSTATE COMMERCE--Table of Contents Subpart B--Interstate Motor Carrier Operations Standards Sec. 202.22 Visual exhaust system inspection. No motor carrier subject to these regulations shall operate any motor vehicle of a type to which this regulation is applicable unless the exhaust system of such vehicle is (a) free from defects which affect sound reduction; (b) equipped with a muffler or other noise dissipative device; and (c) not equipped with any cut-out, bypass, or similar device.