My order going in soon.
Also, the gains on this exhaust are about the same as other open exhausts, once it's straight through, like this is, there will be little in it, it's all down to quality/design/sound at that point.
I've never seen anyone with the Shockwave V2 have any drone/hiss/rasp/boom. Perfect, it let's me cruise to work and have fun at the weekends
The lost you mentioned, edub, was not a comparative dyno, it can't be compared that way.