If you've ever heard a car engine running without an exhaust, you know what a huge difference the exhaust can make to the noise level.
Inside an exhaust, you'll find a deceptively simple set of tubes with some holes in them. These tubes and chambers are actually as finely tuned as a musical instrument.
They are designed to reflect the sound waves produced by the engine in such a way that they partially cancel themselves out.
Mufflers use some pretty neat technology to cancel out the noise.
Click here to go back to the home page, or on an image below to read more...
Created using it'seeze website design
