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Sound Deadening

2,770 views · Published 27 July 2013 · 14:35 · Indexed 21 October 2026

Channel: JeepAndBass · 2013 · Autos & Vehicles

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Amazing results are listed below! This is a compilation of a week of sound deadening the roof of my car and isn't the best video due to how busy I was but it shows the full process. Being that I have a fairly loud and powerful audio setup my car rattled like crazy especially the roof on low notes. I decided to use GT Mat 80 mil. Below I have listed the issues I had to fix and then the results good and bad also some links to other vids.

Links: 
-Reinforcing the Roof: https://www.youtube.com/watch?v=p8oa3_73xRs
-GT Mat Review:  https://www.youtube.com/watch?v=XnTnRl3m9S0

Problems I had that I wanted to eliminate:
-Excessive roof rattling with windows down (on 32Hz-46-Hz notes).   
-Excessive roof flex causing distortion especially with windows down. (over 3" of travel). 
-Wasn't able to play bass loud with windows down.  
-Had sloppy low end bass response.
-Loud road noise and rain noise on roof.

Things that were Improved:
-Rattles are gone! 
-Limited roof flex.
-Able to play full volume with all windows down.
-Better low end response and intensity. 
-Slightly louder (especially from 39Hz down).
-Harder hitting bass. 
-Cleaner bass response.
-Voltage is better when bass is up.
-Car stays cooler inside. 

Not necessarily negative results:
-Car smells a bit for a week.
-Everything but the roof flexes A LOT now regardless of sound deadener on the rest of the car. 
-The high bass is not as intense as it was. (55Hz and up).

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