The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Where to add sound deadening mat? For adding door speakers and under carpet

Accelo · 03-30-2021, 02:08 PM

"thick rubber coating of some sort inside the cab that has factory paint over it"
For sure GM installed it.
Poor man's dynamat is all.
Rick

03-30-2021, 02:08 PM	#5
Accelo Registered User Join Date: Mar 2015 Location: washington Posts: 2,177	Re: Where to add sound deadening mat? For adding door speakers and under carpet "thick rubber coating of some sort inside the cab that has factory paint over it" For sure GM installed it. Poor man's dynamat is all. Rick