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      02-06-2012, 02:42 PM   #6
kitw
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Drives: 2011 E92 Jet Black M3 (#6!)
Join Date: Jun 2007
Location: Bay Area, CA

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The Eisenmann and the BMW Performance are not related. The cans are totally differently shaped. The Eisenmann cans hide pretty well, and the BMW Performance cans hang down a lot, worse than stock imho.

the Eisenmann Sport is very different sounding too. Much bassier, with less of a tonal change as RPMs rise.