When was the last time you turned off your radio and just listened to your car? What’s really going on under the hood? We chat with our own Nick Spradlin about the simple force at the heart of every gasoline engine and talk with legendary recordist Watson Wu about how the sound of wild and powerful sports cars are captured.

Twenty Thousand Hertz is produced by Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/vroomvroom

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