Pennsylvania Code
Title 67 - TRANSPORTATION
Part I - Department of Transportation
Subpart A - Vehicle Code Provisions
Article VII - Vehicle Characteristics
Chapter 175 - VEHICLE EQUIPMENT AND INSPECTION
Subchapter E - PASSENGER CARS AND LIGHT TRUCKS
Section 175.75 - Exhaust systems

Universal Citation: 67 PA Code ยง 175.75

Current through Register Vol. 54, No. 44, November 2, 2024

(a) Condition of exhaust system. All components of the exhaust system shall be in safe operating condition as described in § 175.80 (relating to inspection procedure).

(b) Exhaust system requirements. A vehicle specified under this subchapter shall be constructed, equipped, maintained and operated to prevent engine exhaust gases from penetrating and collecting in any part of the vehicle occupied by the driver or a passenger, in addition to requirements of this title for an emission control system and smoke control for a diesel-powered vehicle.

(1) A vehicle specified under this subchapter shall be equipped with a muffler or other effective noise-suppressing system in good working order and in constant operation. A muffler or exhaust system may not be equipped with a cutout, bypass or similar device and a muffler may not show evidence of external repair.

(2) The exhaust system of a vehicle may not be modified in a manner which will amplify or increase noise emitted by the motor of a vehicle above the maximum level permitted by Chapter 157 (relating to established sound levels).

(3) Headers and side exhaust are permitted if the vehicle meets the requirements of this section.

(4) An exposed exhaust system shall be equipped with an adequate heat shield or protective system.

(5) An exhaust system shall extend and discharge completely to the outside edge of the vehicle body, including a truck bed, or as originally designed.

(6) A firefighting vehicle is exempt from regulations concerning exhaust systems, mufflers and noise control.

The provisions of this §175.75 amended under the Vehicle Code, 75 Pa.C.S. §§ 4103, 4301, 4501, 4521 and 6103.

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