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					Originally Posted by  yzf-r1
					 
				 
				I've been running a resonated midpipe for a very long time and I don't really notice the vapor/fumes all that much, perhaps I'm just used to it 
			
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 OK, as I said, I don't have experience with them. 
I do know a friend's single turbo frequently tracked car with a mid-pipe makes a god-awful stench. I make a point not to follow him in traffic. And as a former smoker (now just the occasional cigar) I'm not all that sensitive, but his exhaust really does make my eyes water. 

Tuning has something to do with the smell I suppose, but his car is really LOUD too. Fortunately the Harley riders took the heat off of cars like his on that issue.