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      06-11-2009, 07:01 PM   #18
J08M3
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Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

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Quote:
Originally Posted by 2thdr View Post
Did you notice a rasp in the video that Joey posted...the one with the Eisenmann Race/X-pipe/HFCs/resonators?

I couldn't detect one there, and am trying to figure out why there would be a difference.
You won't notice it as much on smooth slow acceleration, but you will when you blip the throttle. If you listen closely to that video you can just hear it when they first show the car with the setup. They blip the throttle a couple of times before they begin the dyno run, even before they go through first and second gear.
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