Some of high class sedan cars have two silencers why is that so? Does it actually help in economy of car? how?

t240guy

• May 21st, 2012

The pressure of the exhaust inside the exhaust pipe decreases as it reaches the "silencer". This is because the silencer acts as a larger chamber for the exhaust to expand in. As the exhaust expands,...

Avinash Narode

• May 2nd, 2012

It is useful in V engines in order to reduce back pressure. but in others like in Mahindra XUV it is just for nice appearance.

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