Well, i bet if i had the port tuned to 42 or 44 hz (truck peaks at 42 now) instead of 34hz which is what it is now, i'm sure i could hit a better number. I'm not much in the comp scene so i probably won't switch out the port, but who knows i might try it if i goto another comp this year. I'm impressed with the 140 considering my last system did a 137.. I do need to pull the box back out and strengthen it a little because there is some flex in teh box..