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  #20 (permalink)  
Old 08-19-2018, 03:15 AM
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Originally Posted by PSYCHO View Post
Thanks Bender I'm so relieved now, yes the perforations are facing backwards for flow and I have already managed to get them down from 130db at 3000rpm to 96/97db with some augers inserts and packing I just got to insert a little more and hopefully not kill the motor too much it's already running like a hairy dog now so a little manipulation will be in order lol

Regards Rob
130dB @ 3000 rpm?

How loud at 5000 plus and WOT?

Are you running open pipes?

Was the sound meter used correctly in the this measurement?
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