i am well aware of the expectations of the foaming process. In total i have spend 4K at Icecube place for 2 cars. so I know what to expect for each process
the way my car was design is the noise from the engine travels via the A pillar to the C pillar and then to the boot. Once the A pillar was done, what happen was the noise from the engine become very loud, noise from the road became very loud, and noise came from the boot area.
So we treated the fenders that help, then the back area with the spare tyre and then the firewall. All this sound proofing help to lower the noise floor quite a far bit. Before the sound proofing the sound was really unbearable.
However when i compare the noise floor with a sound pressure meter in my car and my friends stock car bought at the same time. My car is slightly nosier by 1dB. So cut the story short my car modified with foaming is 1db noiser than stock car moving thru the same road.
Accessories sold, sold
Dec 7 2011, 08:53 AM
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