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Question 8191

Is a vehicle with an internal combustion engine allowed to drive without a muffler?

  1. Only mopeds are allowed to drive without a muffler.
  2. Yes, as a general rule.
  3. No.
Show answer and explanation

Correct answer: No.

No. A combustion engine, whether gasoline or diesel, needs a muffler. Without one, it has an open exhaust, which is prohibited on all motor vehicles and mopeds.

Reglamento General de Circulación (RD 1428/2003)