If we assume that this Forum includes some information about every aftermarket exhaust made available for the 1M, other than some one-off products tailor made for clients and the like, then I just counted 25 aftermarket exhaust options including this new Dinan. I did not count N55 or Maddad midpipes, or just down pipes as aftermarket exhausts; I did count just rear exhausts or more (catbacks or full exhausts). 25 aftermarket exhaust alternatives to choose from! Compared to how limited everything about 1M was, production numbers, available color options, isn't it surprising to see that exhaust options are not that limited at all. In fact, other than BMW factory itself (no Performance option) almost every major brand and some minor ones had their take on 1M's exhaust system.
Here is the name list I compiled: Akrapovic, Eisenmann, Supersprint, Evolve Race (by Supersprint), Hartge (also by Supersprint), Remus, Meisterschaft, Lightweight Titanauspuffanlagen, Tuningwerk, Borla, Revezport, Manhart, Vorsteiner, Dinan, Milltek, Megan Racing, BCS Auto., Magnaflow, AC Schnitzer, arqray, H&S, CP-E, RD Sport, Bastuck, HMS Performance.
If anyone is curious about any of the above please just search
Any corrections to the list are more than welcome.
And back to Dinan again, sorry for threadjack! Just wanted to put it in some perspective.
2011 BMW 1M: Euro spec, w/out Nav, manual seats. Evolve Race+N55 mid, Michelin PSS, ER charge pipe, aFe ProDryS drop-in filter, CDVx, BMW-IND trunk spoiler matt cf/VO stripe, BMW blacklines, BMW black grills, IND side gills&rear M logo, silver turn indicator bulbs, anthrazit overlays on side creases and on air curtains, MPerformance steering wheel w/VO ring, BMW steel pedals, custom mats, color matched MPower e-brake.