What are the two rear pipes on either side of the smart fortwo 450

[frotoe95]

I was under the impression that the smart fortwo 450 had TWO exhausts (inside the two red squares), but I've now learned that it's actually the center piece (blue square). My question is: What the hell are those two pipes on the sides anyway? I've been looking for the last hour online and can't find any information on them. Any info is appreciated. Thank you.

[LooseLugNuts]

they are the ends of the dedion tube

 

 

https://en.wikipedia.org/wiki/De_Dion_tube

 

Edited May 6, 2018 by LooseLugNuts

[frotoe95]

Thank you!