87R7033 CXP-D     By: Anchia H.B. No. 2540       A BILL TO BE ENTITLED   AN ACT   relating to prohibiting certain modifications to the exhaust   emission system of a passenger car or light truck.          BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS:          SECTION 1.  Section 547.605(c), Transportation Code, is   amended to read as follows:          (c)  The owner or operator of a motor vehicle or motor   vehicle engine, of a model year after 1967, that is equipped with an   exhaust emission system:                (1)  shall maintain the system in good working   condition;                (2)  shall use the system when the motor vehicle or   motor vehicle engine is operated; [and]                (3)  may not remove the system or a part of the system   or intentionally make the system inoperable in this state, unless   the owner or operator removes the system or part to install another   system or part intended to be equally effective in reducing   atmospheric emissions; and                (4)  if the motor vehicle is a passenger car or light   truck, may not modify the system or a part of the system in a manner   that the owner or operator knows or should know will amplify or   increase the noise emitted by the motor of the vehicle above that   emitted by the muffler originally installed on the vehicle.          SECTION 2.  This Act takes effect January 1, 2023.