Best place to put dynamat

[DAMONMCHALE]

I'm curious if I only line my trunk lid in dynamat if that would change anything in my sound quality? I have 2 rocksford t1d410s running around 1200w rms and thing rattle quite a bit. stage only reason I want a small amount is that I like my fast lightweight car and don't want to drive a tank around.

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[lew-e 10+ year member]

What do you drive that's fast?

The trunk will help. Try putting some soft materials like ensolite in between panels too. And put a sponge or something behind your license plate. That's a super easy fix for that.

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[dev199505]

I did part of an old phone book behind my liscens plate quieted if down quite a bit and depending on the age of your vehicle you might be able to tighten down the latch for the trunk

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[DAMONMCHALE]

I have a supercharged and fully built 95 Jetta.

 

[DAMONMCHALE]

It's not the plate.. I might try the latch that may be what's rattling on it

 

[Umbra]

Dynamat and other cld tiles reduce panel resonance. If you have some put it in the center of large flat segments of panel for most efficient use. You don't need full coverage, especially if you don't want to add to much weight.

Check out SDS, they discuss how to treat each area in a car individually: http://www.sounddeadenershowdown.com/vehicle-area-treatments

Rattles come from two objects banging together. You need to keep them from moving, or at least put something shift between them to keep them separate. Close cell foam weatherstripping foam is a godsend. You can find it in rolls at your hardware store for a few bucks. Find a rattle, peel the back of the foam off, stick it between the two things and marvel at how easy that was. If you have license plate rattle put some on the back of the plate. When i did a sedan build with the subs in the trunk i realized there was a big rattle at the latch. Wrap some of this foam around the bar where it latches and it'll keep the hood from jumping around and prevent the rattle at the latch.