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      01-14-2013, 08:15 PM   #5

Rob///M5's Avatar
Drives: 2013 M5 SSII
Join Date: Aug 2012
Location: San Diego

Posts: 1,342
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2013 BMW M5  [5.00]
I've heard all (except the supersprint), and my current favorite is the Eisenmann Race. It sounds bigger, badder and better than the others and its only an axle back setup! No performance gains depends on what you're looking for.

I'm very curious about the Supersprint, but there is seemingly very little info about it anywhere.