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As most of you know there is a white plastic sheet protecting panels when you remove the moldings around areas of Civic's. I drive a 2001 Civic Coupe and just want to know if I should remove the sheets and dynamat the panel or just dynamat over the sheets? Thanks.

 
Rep Power: 338

you take the plastic off first. the idea is to mass load the panels. make the resonating panels as dead and motionless as possible