Name that weird substance under the carpet in my trunk.
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Joined: Jan 2002
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From: Mishawaka, Indiana
Name that weird substance under the carpet in my trunk.
This is in my 98 Firebird Convt... I took the carpet out (it's a one piece molded carpet) to put dynamat in, this is what I found:
Can anyone tell me what the purpose is? Should I cut my dynamat to accomodate this stuff, or just dynamat over the top?
James
Can anyone tell me what the purpose is? Should I cut my dynamat to accomodate this stuff, or just dynamat over the top?
James
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Joined: Apr 2003
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From: Nova Scotia, Canada
Car: 89 GTA
Engine: 350 LT1
Transmission: T56
looks like sound deadening from Wurth.. But Wurth may just sell someone elses sound deadening.. I'd just go overtop. YOu can't have too much
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Joined: Mar 2000
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
1998? Maybe GM started putting in sound deadener from the factory...? Would make sense, since the muffler's right below that spot... maybe people complained that the cars were too loud? 
Depends on if the dynamat wants to stick to that stuff; you could always pad the rest of the sheetmetal with dynamat, "around" what the factory gave you.
Depends on if the dynamat wants to stick to that stuff; you could always pad the rest of the sheetmetal with dynamat, "around" what the factory gave you. Thread Starter
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Joined: Jan 2002
Posts: 113
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From: Mishawaka, Indiana
Yeah, 1998 wasn't a mistake...
I kinda figured that it was factory material, since a convertible is likely to be even louder (more susceptible to road noise) than any other car, I can understand putting sound deadener in...
Why they would put it only in the trunk is weird, if you ask me... the exhaust couldn't be any quieter!
I don't think I'll have any problem dynamatting over the top... the deadener already installed is quite sticky on the side facing out, it should probably seal fine.
James
I kinda figured that it was factory material, since a convertible is likely to be even louder (more susceptible to road noise) than any other car, I can understand putting sound deadener in...
Why they would put it only in the trunk is weird, if you ask me... the exhaust couldn't be any quieter!
I don't think I'll have any problem dynamatting over the top... the deadener already installed is quite sticky on the side facing out, it should probably seal fine.
James
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