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      04-17-2012, 10:50 AM   #16
E90 87ss
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Drives: !
Join Date: Sep 2009
Location: NJ/Philly

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This is pretty popular mod for people who want to stay emissions friendly while being able to go to the track... Apparently its not about back pressure loss, but about maintaining velocity... With a proper setup you should yield gains...

Have to add this video, not relevant to discussion really, but fun to watch. Member at mbworld and his wife + cutouts. I died laughing the first time I watched it...


Last edited by E90 87ss; 04-17-2012 at 12:55 PM.