DEI Boom Mat Headliner

2018–2026 Jeep Wrangler Unlimited JL

Part #: 50169

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 owners who want a quieter cabin environment, the Boom Mat Headliner improves overall driving comfort by minimizing distractions and allowing for clearer conversations and better audio system enjoyment.

Beyond noise reduction, this headliner also provides insulation against radiant heat and exterior weather conditions, making it a practical upgrade for all seasons. Its sleek grey finish complements the Jeep’s interior aesthetics while delivering functional benefits.

Key Features

Engineered to enhance your Jeep’s interior acoustics and comfort, the DEI Boom Mat Headliner offers the following key features:

• Reduces interior noise levels by 3 to 4 decibels for a noticeably quieter cabin
• Minimizes vibrations and rattles from the hard top
• Provides radiant heat reduction from the roof, improving temperature control
• Pre-shaped design ensures a precise fit for Jeep Wrangler Unlimited JL hard tops (2018–2026)
• Easy peel-and-stick installation with no special tools required
• Durable open cell polyurethane foam with a polymer surface treatment for long-lasting performance
• Enhances audio system clarity by reducing ambient noise interference
• Improves overall interior comfort for passengers and driver

Construction & Design

The Boom Mat Headliner is constructed from high-quality open cell polyurethane foam, treated with a polymer surface coating to ensure durability and resistance to wear. This material effectively absorbs sound waves and dampens vibrations, while also providing thermal insulation. The headliner is precision-engineered to match the contours of the Jeep Wrangler Unlimited JL hard top, ensuring a seamless fit that maintains the vehicle’s interior aesthetics. Its grey finish blends naturally with most Jeep interiors, offering a clean and professional look.

Performance & Sound

Tested to reduce noise levels by 3 to 4 decibels, the DEI Boom Mat Headliner delivers a significant improvement in cabin acoustics. This reduction in ambient noise makes it easier to hold conversations and enjoy your vehicle’s audio system without interference from road, wind, or engine noise. The headliner also helps reduce radiant heat transfer from the roof, contributing to a more comfortable interior temperature during hot weather.

Installation & Fitment

Installation is straightforward with the pre-shaped, peel-and-stick design tailored specifically for the Jeep Wrangler Unlimited JL hard tops from 2018 to 2026. No modifications or special tools are required, making it a convenient upgrade for DIY enthusiasts or professional installers. The kit adheres securely to the interior roof surface, providing immediate noise and heat reduction benefits.

What's Included

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

Ideal For

This headliner is perfect for Jeep Wrangler Unlimited JL owners who seek to reduce interior noise and improve cabin comfort. It is especially beneficial for those who frequently drive on highways, off-road trails, or in noisy environments where exterior sounds can interfere with conversations and audio enjoyment. Additionally, it suits Jeep enthusiasts looking to enhance thermal insulation and maintain a quieter, more refined interior atmosphere.

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.