
A "pipe" or "exhaust pipe" or "muffler" is the pipe that channels exhaust away from the away from the engine (via the manifold) while also damping ("muffling") the sound of the engine, which would be extremely loud without it.
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What is the "pipe" on an RC car engine?

A "pipe" or "exhaust pipe" or "muffler" is the pipe that channels exhaust away from the away from the engine (via the manifold) while also damping ("muffling") the sound of the engine, which would be extremely loud without it.
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