Quote:
Originally Posted by XwChriswX
So if I just wanted to stop exhaust resonance from causing rattles inside the door/hatch/cabin, I should not do this you say??
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The first step would be to cover 25% of the surface area of your interior panels with a dampening tile like Dynamat. That will reduce the interior panel resonance and be as effective as covering the entire interior in Dynamat.
If you want to block sound, then you need to use the CCF and MLV.