Missouri Code of State Regulations
Title 11 - DEPARTMENT OF PUBLIC SAFETY
Division 50 - Missouri State Highway Patrol
Chapter 2 - Motor Vehicle Inspection
Section 11 CSR 50-2.260 - Exhaust System

Universal Citation: 11 MO Code of State Regs 50-2.260

Current through Register Vol. 49, No. 18, September 16, 2024

PURPOSE: This rule describes the procedures and standards for the inspection of the exhaust system. The inspection of the exhaust system is a requirement of section 307.365, RSMo.

(1) All motor vehicles shall be equipped with a properly attached exhaust pipe, muffler and tail pipe.

(2) All items must be inspected with the motor running. Holes in the system made by the manufacturer for drainage are not cause for rejection. Do not block or place anything over the end of the tailpipe to check for leaks.

(3) Reject vehicle if:

(A) A manifold, manifold gasket, flange gasket or a connection or any other component is loose or leaking;

(B) Muffler, exhaust pipe, tailpipe or resonator has holes, leaking patches or seams. Only patches made with an arc or acetylene weld will be permitted;

(C) Tailpipe end is pinched or broken off from rear support bracket;

(D) Any part of the system is supported by wire, or if any component is not securely attached by supporting hardware, such as bolts, brackets, clamps or hangers;

(E) Tailpipe is located so that a person may be burned on entering or leaving passenger compartment;

(F) Any part of system passes through passenger compartment;

(G) Tailpipe fails to discharge exhaust away from under passenger compartment of commercial motor vehicles;

(H) Tailpipe fails to discharge exhaust from the rear or sides of the passenger and luggage compartment on passenger vehicles;

(I) Vehicle has no muffler;

(J) Tailpipe fails to discharge exhaust away from the sides or rear of a camper which is mounted on a motor vehicle and which is equipped with permanent cooking, heating and sleeping facilities; or

(K) A commercial vehicle has a tailpipe extending beneath the cargo area that leaks or is improperly supported.

*Original authority: 307.360, RSMo 1967, amended 1971, 1973, 1979.

Disclaimer: These regulations may not be the most recent version. Missouri may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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