I've had MPE, MPE + test pipes and now Corsa + test pipes and I think the most notable feature about the Corsa is not really the volume, but the unique tone.
I also think tone is the most important aspect to really any exhaust setup, because it's easy to be loud, but difficult to sound unique and drone free. Most people seem to shoot for how loud can they get their exhaust, but the difficult balance is a non-valved system that can be tame at low RPM's and exotic at the high end and I think the Corsa does that best.
With all that being said, I'm still on the hunt for an E. race or GT2 because racecar
