With the FI LTH's and 18" Res CBE w. Stainless Steel cans, on a track @ full speed, I only logged
93.8dB. (Measured @ 50ft. from track edge) I barely passed the 94dB limit for the track.
If you want volume either go with CF cans which will give you a different tone, or 12" resonators, or Non-Res if you hate your ears.
Obsessive volume is obtrusive and will mask the tone of the Z which is sex. Please don't...