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Road noise

I drive a 1977 Datsun B210, and I have noticed an awful lot of road noise. I will shortly be replacing the carpet in the car, and I wonder if there might be some kind of insulation that I could put in under the carpet to reduce the road noise.

Any advice would be appreciated.

Thanks

I would suggest reviewing the information here: http://www.sounddeadenershowdown.com/

I would suggest reviewing the information here: http://www.sounddeadenershowdown.com/

Dynamat makes an excellent sound and heat insulating material. Most car audio shops that I know stock it in some form or another, take a look. (No affiliation with dynamat…)