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Discussion Starter · #1 ·
Im getting a borla catback on my car and bought a couple rolls of Gt Mat Ultra for my trunk to reduce possible drone noise. I was also thinking about spraying down some Dei boom mat spray and then place the mats. Has anyone done this or should the mats in the trunk be good enough.
 

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Or just buy some Solos
 

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Keep in mind, adding all that sound deadening material is heavy and will add quite a bit of weight to the vehicle.
 

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Your probably right. I have only ever worked with Dynamat, and a box of that stuff is quite heavy.
 
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