Thx for sharing! Cool
The website of Eisenmann is only talking about the Sport system or is the Race version exactly the same muffler but with the additional "soundrohre" that they mention on their website?
http://www.eisenmann-sportauspuff.de...2_1M_Coupe.php
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"... on the smiles-per-mile charts, the 1-series M coupe can't be beat. It is a challenging piece, a triple-X-rated driver's machine for semi-professionals. Its handling balance provides an open invitation to indulge in latent oversteer, and provides an opportunity to separate the men from the boys. It is an absolute hoot on the track and an addictive plaything on your favorite twisty back road. "