Design Engineering Boom Mat Black Sound Deadening Headliner | 4-Door Jeep Wrangler JL 2018-Up | Custom-Fit Peel-and-Stick Acoustic Upgrade | Thermal & Noise Insulation

Design Engineering Boom Mat Black Sound Deadening Headliner is a custom-fit, peel-and-stick acoustic upgrade designed specifically for 4-door Jeep Wrangler JL (2018-up) hard tops. This premium headliner reduces exterior noise and vibrations by 3–4 decibels, improving interior acoustics for clearer conversations and superior audio performance. In addition to noise reduction, it provides thermal insulation to help maintain a comfortable cabin temperature in both hot and cold weather. The pre-shaped design ensures a seamless fit and quick, DIY-friendly installation without special tools, while the sleek black finish resists sagging, wear, and environmental stress for long-term durability. Perfect for Jeep owners seeking a quieter, more comfortable, and refined driving experience, Boom Mat combines functional acoustic performance with factory-quality appearance. Made in the USA by DEI.

• CUSTOM-FIT FOR JEEP WRANGLER JL 2018-UP – Pre-shaped headliner designed specifically for 4-door Jeep hard tops for a seamless, factory-like fit.
• REDUCES NOISE & VIBRATION – Advanced sound-deadening material tested to lower cabin noise by 3–4 decibels for clearer conversations and improved audio performance.
• THERMAL INSULATION FOR COMFORT – Helps maintain a stable cabin temperature, keeping interiors cooler in summer and warmer in colder weather.
• PEEL-AND-STICK INSTALLATION – No special tools or modifications required; simply peel and press into place for fast, DIY-friendly installation.
• SLEEK & DURABLE FINISH – Black finish resists sagging and wear, complementing factory interiors while maintaining long-lasting acoustic and thermal performance.
• Made in the USA