eisenmann sounds throatier - more unique euro sound tone to it instead of ground shaking resonance.
Enjoy the pure performance sheer in higher RPM range :-) Sound will become more exotic as the RPM goes up.
Eisenmann units are not designed to create simply deep sounds - eisenmann units are engineered to make the sound
more unique to bring out the true taste of euro/exotic sounds. Those people who has expereinced with eisenmann units,
know exactly what this means. :-)