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Sound Deadening

  #1  
Old 03-25-2013, 07:43 AM
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Question Sound Deadening

So one of my next projects is to keep the deep exhaust noise from getting into the cabin as much. In winter, when the windows are up, the noise gets in and stays in and can cause a headache on long trips.

I know the sound deadener would be good, I was thinking of putting it in my trunk where the spare tire is and maybe under the trunk hood too but I found some spray that has pretty good reviews on amazon.

Anyone recommend the spray sound deadener? Its cheaper at least and can stand up to 300 degrees. Would it be a good idea to spray it along the back end of my car underneath? Or just where I would put the sound deadener and use the spray instead?

I'm not sure of all the key spots where sound gets in to the cabin.
 
  #2  
Old 03-25-2013, 05:20 PM
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I moved this to the "Audio" section....I know it is not about radios/audio but I thought in here there would be better answers.....since a big part of good audio sound is keeping the "road noise" out....just a thought?
 
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Old 03-25-2013, 06:42 PM
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Ok. I wasnt too sure where to put it. Thanks.
 
  #4  
Old 03-25-2013, 07:14 PM
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I would be iffy on cheap alternatives. sound deadning is a proven method that works. it is expensive but it does work. If I were to try and get something else besides sound deadner, spray insulation also works. it decays over time and it looks bad but it works too.
 
  #5  
Old 03-25-2013, 08:04 PM
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Looking more into it I think ill get the mats and use adhesive. I can do the trunk for pretty cheap.

I'm thinking take the fabric liners in the trunk out, do all around that and the trunk hood. But I also know that theres a rubberized undercoating spray that dampens vibrations as well. Would that be smart to spray on the catback exhaust or maybe just the heat shields?
 

Last edited by RobinsonRicer; 03-25-2013 at 08:20 PM.
  #6  
Old 03-25-2013, 08:38 PM
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I know nothing about that.
 
  #7  
Old 03-25-2013, 10:58 PM
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Ok. Well that opens up to anyone.

Reviews say that it helps sound proof. I need to know if I can put it directly on the exhaust.
 
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