Crossword clue: a tubular acoustic device inserted in the exhaust system that is designed to reduce noise

The most common answer is muffler (7 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

muffler 7 letters wn-def

a tubular acoustic device inserted in the exhaust system that is designed to reduce noise

silencer 8 letters wn-def

a tubular acoustic device inserted in the exhaust system that is designed to reduce noise