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Reviews around db (1.00 of 5)
Noico 80 mil 36 sqft car Sound deadening mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening
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After installation my numbers are Idle- 31 db, 35 mph - 35 db, 70 mph 53-58 db (depending on road conditions)
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Idle- 31 db, 35 mph - 52 db
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