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The DEI Boom Mat Sound Deadening Headliner for 2011–2018 Jeep Wrangler JK 2‑door is a pre-shaped, peel-and-stick four-piece kit that reduces exterior noise and radiant heat while improving interior acoustics. Tested to lower cabin noise by 3–4 decibels, the 1‑inch thick headliner uses open-cell polyurethane foam with a polymer surface treatment and installs quickly to tidy the hard top and enhance audio clarity.
DEI 11-18 Jeep Wrangler JK 2-Door Boom Mat Headliner - 4 Piece - Black
