Dear Members,
For those of you who are interested in a bolt on system and do not wish to cut or weld an exhaust system to your new M3 the Active Autowerke Signature Exhaust system may be a good candidate. Here is a thread with more information.
http://www.m3post.com/forums/showthread.php?t=167350
http://www.m3post.com/forums/showthread.php?t=171174
If you have any other questions regarding the system please feel free to post in the thread.
Regards,