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Message: <blockquote data-quote="spokey9" data-source="post: 8908834" data-attributes="member: 685744">What I did with my old delta 88 (and I'll do with my current one)remove the insulation pad behind the rear seat (not sure if Cadillac does this too or not. It's there to quiet trunk noise inside the cabin. I also cut out the rear deck and covered it with speaker cloth (like on hone speaker grills) as close of a match as I could find to te stock color. Once I did those 2 things my subs came alive in the cabin. No box will replace opening up a way in for the bass.My old '82 delta was 3 18's sealed, my current '85 delta will be 2 15's in a trunk baffle.</blockquote>

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