WOW!!! Big Difference
Thread Starter
Safety Car
Joined: Apr 2004
Posts: 3,996
Likes: 77
From: Louisville KY
WOW!!! Big Difference
I finally got motivated sound proofed the rear compartment. I took out everything like Mike said. I bought 4 rolls of Frost King. I worked at this on and off over two days. I have a bad disc and bending over into the truck area really put some pains in my back.
I only used 3 rolls. I did the area behind the seats all the way back and including the very back area around the latches.
So I took a test drive this afternoon. Yes it did make a difference. I have GY run flats with 30K on them so it was loud. I would say that it took at least 50% of the noise away. You still hear the tires hum and road/tire noise but now it is like muffled. I actually could hear the stock exhaust as I down shifted.
I feel that it was worth the 3 rolls at $16 apiece for reduction in noise I achieved. I am not sure I will get into taking the front apart and doing that section.
If you haven't done this it is worth the time and the small dollar amount.
I only used 3 rolls. I did the area behind the seats all the way back and including the very back area around the latches.
So I took a test drive this afternoon. Yes it did make a difference. I have GY run flats with 30K on them so it was loud. I would say that it took at least 50% of the noise away. You still hear the tires hum and road/tire noise but now it is like muffled. I actually could hear the stock exhaust as I down shifted.
I feel that it was worth the 3 rolls at $16 apiece for reduction in noise I achieved. I am not sure I will get into taking the front apart and doing that section.
If you haven't done this it is worth the time and the small dollar amount.
Team Owner
Joined: Apr 2001
Posts: 54,204
Likes: 180
From: S.W. Ohio. . . . . . NRA Life Member
not bad for only adding 9 pounds to the car. 
to do any better in interior noise reduction you'd have to use heavier material. For some, that's not a concern; for others it is.
By all means - do the area under the seats. Or, at least the panel behind the seat backs.
to do any better in interior noise reduction you'd have to use heavier material. For some, that's not a concern; for others it is.
By all means - do the area under the seats. Or, at least the panel behind the seat backs.
Le Mans Master
Joined: Aug 2006
Posts: 9,987
Likes: 25
From: If opportunity doesn't knock, build a door. South West Florida / Livin' The Dream
St. Jude Donor '12
I did the same thing in my vert plus I did the wheel wells. Followed Mike's write up. A world of difference and probably lost 75% of the noise from the tires. The only problem is that at 70 now I hear a little wind noise.
I solved the wind noise by turning up the radio!
I solved the wind noise by turning up the radio!
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Melting Slicks
Joined: Feb 2007
Posts: 2,787
Likes: 139
From: center of Kalifornia
I will do the same real soon as my wife and I have a hard time even talking in the car. I saw on an earlier tread where a guy even pulled down the rear plastic wheel house liners and stuffed house insulation into the voids and lined with some Frost King.
Thanks for the end result sound info, was wondering if any good.
Thanks for the end result sound info, was wondering if any good.
Melting Slicks
Joined: Feb 2007
Posts: 2,787
Likes: 139
From: center of Kalifornia
Team Owner
Joined: Aug 2003
Posts: 24,987
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From: Kerrville, Texas USA Hook 'em Horns!
CentralTX Events Coordinator
St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16-'17
Thread Starter
Safety Car
Joined: Apr 2004
Posts: 3,996
Likes: 77
From: Louisville KY
I did the panel behind the seat backs. Right now my back still hurts so the thought of bending over again just does not seem desirable.
Team Owner
Joined: Oct 2000
Posts: 39,939
Likes: 61
From: From San Diego to Bentonville, AR.....WTF was I thinking?!? Oh yeah, that free state thingy!
St. Jude Donor '15-'16
I have not done the Frost King yet, but did stuff the wheel wells with insulation. BIG IMPROVEMENT!!....easy and quick too.
