QUOTE(jumajuma @ Nov 19 2010, 01:58 AM)
3. Yes lousy, at least engine noise isolated nicely. Should take a look underneath the car, their metal sheet is exposed no bitumen at all!!! But I like it.. Look shining. Plan to do autofoam later on.
The engine bay is superbly noise-proofed until people who walk in front of your car could not detect your M3 approaching.You yourself also will have a hard time noticing the engine sound, unless you rev it up.
However the sound-proofing at the undercarriage and front fender are is very bad. You should be enjoying better sound from the speakers, with quieter cabin. Not to mention smoother ride...
Nov 19 2010, 01:26 PM

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