10mm Superlon attached under front bonnet:
Bad insulator of heat & sound.
Result: Engine sound was greatly reduced. If another layer of this on the firewall(layer between the engine and cabin) will be perfect.
6mm on 4 door trim
Bitumen Tape:
Strengthens metal body.
Door sound closes from TOK to DUP & heavier.
Reduces high frequency noises.
Approx 7 strips of Bitumen tapes attached in the door frame.
Completed the whole car in 8 hours. (0900 –> 1700)
Overall it was pretty worthwhile, besides the noticeable effect, it is an interest as well.
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