E46Fanatics - View Single Post - Best exhaust for hp gain/not too loud?
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Old 02-18-2010, 03:15 PM   #43
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Join Date: Sep 2009
Location: New York
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My Ride: 2004 325i
Originally Posted by xixixi View Post
exactly just like on our cars have a valve in the exhaust that is closed during idle and up to a certain point only to reduce exhaust noise in the cabin. does nothing for performance lol
lol except you're wrong, go pick up a physics book. I'm not talking about exhaust valves, I'm talking about the diameter of the pipe with respect to pressure and velocity. I believe the z06 has this feature too.
Originally Posted by i_ween View Post
OP: I am sure your English Writing teacher told you this every year, regardless of who s/he was: writing is important. Others will either respect you or ignore you or piss on you if you type like a moron. This isn't an instant message site; it's a forum. We aren't texting each other right now. We are typing messages. Type regular English and people are more likely to respond.
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