Originally Posted by Moxie
Listen to both & decide. IMO, Akra looks better but doesn't sound as good as Eisenmann & costs more. For what you pay new for the slip on here, you can get a HFC & Sport set up. I would go with the Sport if you are going to add a midpipe.
I have heard both on videos and the Akra personally, would would love to hear the Eisenmann in person! If anything I would wait until I take delivery and meet with the M Flight club members I know one of them must have Einsenmann installed.