DEI Boom Mat Headliner

2018–2026 Jeep Wrangler Unlimited JL

Part #: 50168

Overview

The DEI Boom Mat Headliner is a premium sound deadening solution designed specifically for the Jeep Wrangler Unlimited JL models from 2018 through 2026. This pre-shaped, peel-and-stick kit enhances the interior of Jeep hard tops by significantly reducing unwanted exterior noise and vibrations. Ideal for Jeep enthusiasts who want to improve cabin comfort, the Boom Mat Headliner also provides thermal insulation, helping to reduce radiant heat from the roof and creating a quieter, more enjoyable driving experience.

Whether you’re tackling off-road trails or cruising on the highway, this headliner upgrade allows you to better enjoy conversations and your vehicle’s audio system without the distraction of excessive noise. It’s a straightforward, effective way to elevate your Jeep’s interior acoustics and comfort.

Key Features

The DEI Boom Mat Headliner combines advanced materials and thoughtful design to deliver superior sound deadening and insulation performance. Key features include:

• Pre-shaped peel-and-stick kit tailored for Jeep Wrangler Unlimited JL hard tops (2018–2026)
• Reduces interior noise levels by 3 to 4 decibels, significantly improving cabin acoustics
• Minimizes vibrations and rattles for a quieter ride
• Reduces radiant heat from the roof, enhancing thermal comfort inside the vehicle
• Open cell polyurethane foam with a polymer surface treatment for durability and effective sound absorption
• Easy installation with no permanent modifications required
• Enhances enjoyment of conversations and audio systems by reducing distracting exterior noise

Construction & Design

The Boom Mat Headliner is engineered using open cell polyurethane foam, which is known for its excellent sound absorption and thermal insulation properties. The foam is treated with a polymer surface finish to increase durability and resistance to wear. This combination ensures the headliner not only reduces noise and heat but also withstands the rigors of daily use in a Jeep environment.

The kit is precision-cut and pre-shaped to fit the contours of the Jeep Wrangler Unlimited JL hard top, ensuring a seamless fit and professional appearance. The peel-and-stick adhesive backing allows for a secure bond to the interior roof surface without the need for drilling or permanent alterations.

Performance & Sound

Tested to reduce noise levels by 3 to 4 decibels, the DEI Boom Mat Headliner delivers a noticeable improvement in interior sound quality. This reduction in ambient noise makes it easier to hold conversations and enjoy music at lower volumes, enhancing the overall driving experience. The headliner also dampens vibrations that can cause rattling or buzzing sounds, contributing to a quieter and more refined cabin environment.

Installation & Fitment

Installation is straightforward and designed for Jeep Wrangler Unlimited JL models from 2018 to 2026. The kit comes pre-shaped to match the hard top’s interior roof contours, allowing for a quick peel-and-stick application. No special tools or modifications are required, making it an ideal upgrade for DIY enthusiasts or professional installers alike. Proper surface preparation is recommended to ensure maximum adhesion and long-lasting results.

What's Included

• Pre-shaped Boom Mat Sound Deadening Headliner panel
• Adhesive backing for peel-and-stick installation
• Installation instructions

Ideal For

This sound deadening headliner is perfect for Jeep Wrangler Unlimited JL owners who want to reduce interior noise and heat for a more comfortable ride. It is especially beneficial for those who frequently use their Jeep for off-road adventures, daily commuting, or long road trips where cabin comfort and audio clarity are priorities. The Boom Mat Headliner is also a great choice for anyone looking to upgrade their vehicle’s interior acoustics without complicated installation or permanent modifications.

Design Engineering, Inc. (DEI) specializes in heat and sound management products for performance vehicles, including exhaust/header wraps, sleeves, reflective heat barriers, and shields. Controlling heat under the hood and near sensitive components is a key reliability upgrade for turbo builds, track cars, and tight engine bays—making DEI a staple brand in motorsports thermal protection.