In a message dated 11/13/99 12:32:33 PM Eastern Standard Time, 
ulix@u.washington.edu writes:
<< I have read that sudden changes in diameter, even from small to big, are
 not a good idea in the exhaust pipe.  It upsets the shockwaves :-) or
 something like that.  But since you are doing this all the way at the
 end of the pipe, you should be fine.
  >>
Ulix:
I read that too, and was concerned about it, but I figured, like you, that 
since it was at the end it wouldnt have any impact on the scavenging effect 
engineered into the proper pipe size.  Thanks!
--David C.
 
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