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MGJ0617
09-22-2004, 05:46 PM
Can anyone tell me the approx dB level for a 450R with the HRC kit and a Sport series slip-on? With and without a quiet core.

Thanks.
DD/HMF
09-23-2004, 08:45 AM
You are looking at about 104-105 dB's without the quiet core and about 97dB's with the core.
Dan/HMF