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How Mufflers Work

Related Article: Learn more about mufflers

Mufflers rely on some cool technology to dim the roar of a car engine. Watch this HowStuffWorks video to learn the principles that make mufflers work.

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How Mufflers Work (1:15)

Mufflers rely on some cool technology to dim the roar of a car engine. Watch this HowStuffWorks video to learn the principles that make mufflers work.

Wrecks to Riches: Catalytic Converter (0:21)

Host Barry White discusses the ecological benefits of the catalytic converter, while he remodels a 1971 Chevelle. Learn more about a catalytic converter on TLC's series, "Wrecks to Riches."

Deconstructed: Catalytic Converter (3:02)

The catalytic converter helps reduce pollution from vehicles. On The Science Channel's "Deconstructed," get a cross section view of one and learn about the pricey components that do the dirty work.

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Deconstructed: Catalytic Converter (3:02)

The catalytic converter helps reduce pollution from vehicles. On The Science Channel's "Deconstructed," get a cross section view of one and learn about the pricey components that do the dirty work.

Wrecks to Riches: Catalytic Converter (0:21)

Host Barry White discusses the ecological benefits of the catalytic converter, while he remodels a 1971 Chevelle. Learn more about a catalytic converter on TLC's series, "Wrecks to Riches."

How Mufflers Work (1:15)

Mufflers rely on some cool technology to dim the roar of a car engine. Watch this HowStuffWorks video to learn the principles that make mufflers work.