Texas State Inspection Practice

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What model year vehicles (and newer) is the catalytic converter considered part of the exhaust system?

  1. 1976

  2. 1984

  3. 1990

  4. 2000

The correct answer is: 1984

Starting in 1984, the catalytic converter has been considered a standard part of the exhaust system for all vehicle models. This is due to the implementation of stricter emission regulations by the Environmental Protection Agency (EPA) in the United States. Option A (1976) is incorrect because prior to 1984, catalytic converters were not widely used in all vehicles. Option C (1990) and D (2000) are also incorrect as the question is asking for model years that are newer, and 1990 and 2000 are both older model years.

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