Efficient muffler, no holes

To make less noise, keep an efficient and approved muffler, don't accelerate when the car is still, check the brakes and use the horn little. Making holes in the muffler or cutting it does not help: it makes more noise.

Word: Approvata = of a type allowed for that vehicle.

The exam is in Italian: key terms and trap words are kept in Italian, so you learn them.