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      11-25-2010, 07:07 AM   #10
kaigoss69
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Drives: '08 335i
Join Date: Jul 2008
Location: JAX

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Quote:
Originally Posted by Lacrypta View Post
I recently added subs and a bandpass box and the trunk rattles like a mother. I managed to pinpoint some of the vibrations and deaden them but it still sounds like s#& from the outside! The locations i found ranged from the rear bumper to the gas cap door all the way to the front license plate! From in the cockpit however it sounds like a concert.
I would expect nothing else from a bandpass box. If you want clean, tight bass with minimal rattles, go sealed. If you want output, go ported. If you just want to shake the car apart, go bandpass.