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<blockquote data-quote="keep_hope_alive" data-source="post: 8339933" data-attributes="member: 576029">no.if you fully seal the trunk you greatly limit how much bass gets into the cabin from the trunk. leave that opening there.dynamat won&#039;t eliminate rear deck rattles, it reduces metal resonance.&nbsp; the rattles are from plastic vibrating against the rear window or metal.&nbsp; what you want are foams or fabrics between the rear deck plastic cover and the rear deck metal.&nbsp; you may also need to actually fasten the cover to the metal to prevent it from rattling against the glass.&nbsp; this can be done aesthetically with screw caps that match the color.&nbsp; i knock on the panels/metal to listen for ringing or buzzes during application.&nbsp; I also fill all voids with acoustical insulation to reduce resonance.simply put - put soft stuff between the hard things and the rattles go away.&nbsp; sometimes simply adding a piece of rubber between the 3rd brake light and the rear glass will do the trick.<img src="http://i38.photobucket.com/albums/e128/phat_funky_beats/2014%20Accord%20Sport/accordreardeck001.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://i38.photobucket.com/albums/e128/phat_funky_beats/2014%20Accord%20Sport/accordreardeck002.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://i38.photobucket.com/albums/e128/phat_funky_beats/2014%20Accord%20Sport/accordreardeck006.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

[QUOTE="keep_hope_alive, post: 8339933, member: 576029"] no. if you fully seal the trunk you greatly limit how much bass gets into the cabin from the trunk. leave that opening there. dynamat won't eliminate rear deck rattles, it reduces metal resonance. the rattles are from plastic vibrating against the rear window or metal. what you want are foams or fabrics between the rear deck plastic cover and the rear deck metal. you may also need to actually fasten the cover to the metal to prevent it from rattling against the glass. this can be done aesthetically with screw caps that match the color. i knock on the panels/metal to listen for ringing or buzzes during application. I also fill all voids with acoustical insulation to reduce resonance. simply put - put soft stuff between the hard things and the rattles go away. sometimes simply adding a piece of rubber between the 3rd brake light and the rear glass will do the trick. [IMG]http://i38.photobucket.com/albums/e128/phat_funky_beats/2014%20Accord%20Sport/accordreardeck001.jpg[/IMG] [IMG]http://i38.photobucket.com/albums/e128/phat_funky_beats/2014%20Accord%20Sport/accordreardeck002.jpg[/IMG] [IMG]http://i38.photobucket.com/albums/e128/phat_funky_beats/2014%20Accord%20Sport/accordreardeck006.jpg[/IMG] [/QUOTE]

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