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I might upgrade my car horn to this. Watch the What's Inside video here: https://youtu.be/d9tA1icDPGY Here is a behind the scenes video from the day: https://www.youtube.com/watch?v=rJIc1iAQdPw ELI20 version: I answered why you want a large outlet area but not necessarily why it curves like that. Anytime you have a sudden change in cross ...
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