The double-D shaped design of the BOAOSI door seal helps promote sound deadening despite its compact size. Photo credit: Amazon.com. At just 0.25 inches wide and 0.5 inches deep, this door trim ...

Sound deadening foam/mat, computer case modding enthusiasts know all about this stuff, its quite similar to what they use in cars. Covering a door in it is probably $50 or so, and the right brand ...

CANOPUS Sound Deadening Mat for Cars, 50 mil 5 sqft, Pack of 5 Sheets, Butyl Sound Deadener Mat, Audio Car Sound Dampening Material for Car Trunk, Door, Floor and Ceiling, Black 320 ratings ...

Rubber is the enemy of old cars! The sound-deadening layer used by Mercedes started disintegrating and gave off a weird, unpleasant smell. The ...

CANOPUS Sound Deadening Mat for Cars, 50 mil 5 sqft, Pack of 5 Sheets, Butyl Sound Deadener Mat, Audio Car Sound Dampening Material for Car Trunk, Door, Floor and Ceiling, Black 320 ratings ...

There’s the mass of the car; more mass absorbs road noise. There’s the amount of sound-deadening material around the passenger compartment. There’s thicker, “quiet” glass that can be used.

Nothing is worse than a nice clean car with sound deadening covering the floor boards. 0:00 / 0:00 ...