I had 3 mp10s on my 90 and at full speed they would whine but at anything less than 90% it was silent. I think an mp40 on a 90 would be crazy flow. I have 2 on my 225 and they are turned down so I can keep my sand in one place lol. They arw at about 60% and are very quiet.
Id stick with 10's if I was you Greg. I really wanted to run 6 mp10's but the glass was to thick so no go.
Last edited by subman; 05-26-2012 at 11:37 PM.
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