That sounds fantastic. We can't wait to get our first system in.
We are a dealer for Akrapovic exhaust systems. Akrapovic offers both the slip-on or evolution exhaust for the 1M. They are also offering down pipes so you can have a complete Akrapovic exhaust system from the turbo back!
http://www.1addicts.com/forums/showthread.php?t=573684
-Tyler