Sound deadning insulation

[Donald Mitchell]

How thick can I go on the roof panel before I have trouble fitting the stock headliner? Also the plastic trim panels. 1990 c1500 reg cab.

 

[Awest623]

How thick can I go on the roof panel before I have trouble fitting the stock headliner? Also the plastic trim panels. 1990 c1500 reg cab.

There was a thread here not within the last few days of someone going all out with the sound proofing. I'll see if I can find it in a little while

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