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DEI Boom Mat interior damping kit for 1988–1998 Chevrolet/GMC C/K extended cab trucks. This precut thermal‑acoustic kit uses 2mm damping material to reduce tire, road and engine noise while controlling vibrations for a quieter cabin. The kit includes multiple precut sheets and an installation roller, plus peel-and-stick application for straightforward placement on floors, firewall and other interior panels.
DEI 88-98 Chevrolet/GMC C/K Extended Cab Interior Floor Damping Kit
