So i had a run in with the wi-dnr last night, apparently, he felt my boat was too loud, but said he didn't have his db meter with and that he couldn't remember the specifics on the procedure he'd use for the db test(if he caught me out again to issue me a citation), so i could do one on my own. i went online and found the procedures. i currently run the water injected basset ot's with the rex marine inserts pn 161100 on a 837 hp 572.
had a buddy come over today with his db meter and at 25' behind boat it read a range of 82-90 db at 1200 rpm idling on the trailer in an open portion of my yard, i know its not on the water as described, but i figured it would be a starting point. i know the legal limit here is 86 db. so i am looking for the most effective insert at eliminating the db's with the least adverse affects on engine performance. any suggestions???