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Single exhaust on a C300

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Old 03-18-2015, 04:49 AM
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2015 C300 4Matic Sport
Single exhaust on a C300

I was in a snowy area a couple of weeks ago and while waiting for the defroster to clear the back window, I noticed that there was steam/vapor coming out of only one of the exhausts. Put my hand over the passenger side exhaust and I can feel the air pressure but when I put my hand over the driver side exhaust, I felt nothing.

Looked under the car and all the piping and muffler is there for a dual exhaust setup. If one of their selling points was to save weight, why did they keep the unused exhaust side on the car?

I just thought it was weird why they would do that. I have an Audi B7 A4 2.0 turbo and it has dual exhausts that work on a similar sized engine displacement, I couldn't see why they made it a single on this car.

Was following another thread, "Fake exhaust tips on the C200", and hoped what was going in that thread wasn't true for the US-spec but mine is like that. Fake tips and fake dual exhaust.
Old 03-18-2015, 06:59 AM
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For some reason you will get more exhaust gasses coming from the right exhaust, however the left one should also work.
Old 03-18-2015, 12:24 PM
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Old 03-18-2015, 01:41 PM
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Have someone rev the engine while you feel both pipes. You'll probably get more from one than the other, but you should feel exhaust from both pipes.
Old 03-18-2015, 08:23 PM
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Originally Posted by crxsnow
I was in a snowy area a couple of weeks ago and while waiting for the defroster to clear the back window, I noticed that there was steam/vapor coming out of only one of the exhausts. Put my hand over the passenger side exhaust and I can feel the air pressure but when I put my hand over the driver side exhaust, I felt nothing.

Looked under the car and all the piping and muffler is there for a dual exhaust setup. If one of their selling points was to save weight, why did they keep the unused exhaust side on the car?

I just thought it was weird why they would do that. I have an Audi B7 A4 2.0 turbo and it has dual exhausts that work on a similar sized engine displacement, I couldn't see why they made it a single on this car.

Was following another thread, "Fake exhaust tips on the C200", and hoped what was going in that thread wasn't true for the US-spec but mine is like that. Fake tips and fake dual exhaust.
This is basic engine tech. Any inline engine will not have a true dual exhaust. For a "true" dual exhaust, you need something other than inline (V, W, etc.) piston arrangement.

Honda S2000 comes to mind as a modern day sports car with a well known and derided ricey dual exhaust.

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