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Old 04-12-2008, 06:11 AM   #15 (permalink)
Arminius
Future EV Owner
 
Join Date: Mar 2008
Location: Sussex Wisconsin
Posts: 674

Wannabe - '05 Honda Civic LX
90 day: 40.53 mpg (US)
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Quote:
Originally Posted by .Cd View Post
On a lot of race cars I have seen the exaust routed in such a way that it can be used to energize ( reattach ) any stagnant air behind the car.

Can we do the same sort of thing with our cars ?

I would think there would not be enough force behind our puny exaust pipes to do any good.

Also I'm confused about whether a large exaust pipe and free flowing muffler or a tiny exaust pipe with a stock one is better for fuel economy.
I have seen arguments for both.
The manufacturer of Aptera has a vent at the very tip of the end of the car from which interior air is exhausted. They placed it there, according to them, for the reason you mention above.
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