Engine Echo in Tunnels

An echo in tunnels would be a cool feature. Especially if cars get their own custom sounds.
Example:



(Video Credits:
https://www.youtube.com/channel/UCwyf-TXK9XT-XkpsOkHJh3g)

 

This would probably get added when they add sounds. Until then, no.

 

That is what I was thinking too but I didn't know how to word it properly at first.

 

like in need4speed?