Yes, we can compare one day, preferably a sunny dayso how much difference does this make.
I find the Akra to be ok, perhaps a little on the quiet side, but pretty good for those longer trips.
Any videos that show the difference between modded and non modded DB killer?
I guess I could make a compare with KennyNorge, after all he lives about 5 minutes away from me
I am going to expand the four holes today after work from 6,5mm to 8mm. I guess that should do it Just giving it a touch more deep rumble. Doesn't get much louder, only deeper... more base