Eisenmann Sport Performance installed
Exhaust is on. Had it installed by Pacific Motorsports in Portland. They thought the supplied clamps were a little whimpy, so they welded on the removed stock tailpipes.
I've only driven 1/2 hour so far, but I must say the sound is absolutely PERFECT to my ears, just as Nate at IND described. Much throatier, but not obnoxiously loud. The scale and appearance of the tips is very good, as well.
I'll post pics and weight comparisons tomorrow. I don't have video capability currently, but will see what I can do.
Lake Oswego, Oregon, USA
2015 M4 Coupe