I really like my Eisenmann Race but it does drone a good bit between 2-3k rpm under load. If this is an issue for you I would go with the Eisenmann Sport. The Eisenmann exhausts are of superb quality and are not like other exhausts which basically have two generic mufflers with tips on them made to fit the e9x M3.
2012 Audi R8 V10, 6MT, Suzuka Gray, Larini Clubsport exhaust, Klassen M52R, GMG springs, Satin Black badges
2012 Audi A6 3.0T Prestige, Moonlight Blue
2014 BMW 528i, Space Gray
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