Quote:
Originally Posted by freebeard
Exit the exhaust into a high-bypass duct like a turbo-jet uses. That will increase the volume 2-3x and cool it with some loss of velocity. One stage, not two. Note the serrated trailing edge on the duct.
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Perhaps some of the "dress tips" that most newer cars have do something similar? If not, why not? If they're there anyway...
Quote:
Originally Posted by oil pan 4
I find the absence of emissions controls to be simple and cheap.
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But car manufacturers don't. (And it is
Ecomodder.)