DEI Sound Deadening Boom Mat Complete Headliner Kit

2018–2026 Jeep Gladiator

50183

Overview:

The DEI Sound Deadening Boom Mat Complete Headliner Kit is designed specifically for Jeep Gladiator models from 2018 through 2026. This 7-piece kit provides a simple, pre-shaped peel-and-stick solution that enhances your vehicle’s interior by significantly reducing unwanted noise and vibrations. Ideal for Jeep Gladiator owners who want a quieter cabin environment, this kit improves the overall driving experience by making conversations easier and enhancing audio system clarity.

Beyond noise reduction, the headliner kit also offers insulation against exterior weather conditions and helps reduce radiant heat from the roof, contributing to a more comfortable interior climate. Its sleek black finish complements the Jeep’s interior style, adding both functionality and aesthetic appeal.

Key Features:

This complete headliner kit combines advanced materials and thoughtful design to deliver effective sound deadening and thermal insulation. Key features include:

• Reduces interior noise levels by 3 to 4 decibels, significantly improving cabin acoustics
• Minimizes outside noise and vibrations for a quieter ride
• Reduces radiant heat from the roof, enhancing climate control efficiency
• Pre-shaped, peel-and-stick installation for a hassle-free upgrade
• Includes side window panels for comprehensive sound deadening coverage
• Open cell polyurethane foam finish with polymer surface treatment for durability
• Complements the interior style and color of Jeep Gladiator hard tops
• Improves efficiency of A/C and heater by insulating the cabin

Construction & Design:

The headliner kit is constructed from high-quality open cell polyurethane foam, treated with a polymer surface finish to ensure durability and longevity. This material effectively absorbs sound waves and dampens vibrations, while also providing thermal insulation. The kit’s components are precision-cut and pre-shaped to fit the contours of Jeep Gladiator hard tops, ensuring a seamless and professional appearance once installed.

The black finish not only enhances the interior aesthetics but also resists wear and fading over time. The peel-and-stick adhesive backing is engineered for strong adhesion without damaging the vehicle’s surfaces, allowing for straightforward installation and potential removal if needed.

Performance & Sound

Tested to reduce noise levels inside the cabin by 3 to 4 decibels, the DEI Boom Mat headliner kit delivers a noticeable improvement in sound quality and interior quietness. 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. Additionally, by reducing heat transfer through the roof, the kit helps maintain a more consistent interior temperature, which can improve the overall comfort and efficiency of your vehicle’s climate control system.

Installation & Fitment:

The kit is designed for easy installation with a peel-and-stick adhesive backing that requires no special tools or modifications. Each of the seven pieces is pre-cut and shaped to fit the interior hard top surfaces of Jeep Gladiator models from 2018 to 2026. Installation can typically be completed in a few hours, making it an accessible upgrade for both DIY enthusiasts and professional installers.

This kit fits a wide range of Jeep Gladiator trims, including 80th Anniversary (2021), Altitude (2020), High Altitude (2021–2022), Launch Edition (2020), Mojave (2020–2022), Overland (2020–2022), Rubicon (2020–2022), Sport (2020–2022), Sport S (2020–2022), Willys (2021–2022), and Willys Sport (2021–2022).

What's Included:

• 7-piece sound deadening headliner kit
• Pre-shaped panels for roof and side windows
• Peel-and-stick adhesive backing on all pieces
• Black polymer surface finish on foam panels

Ideal For:

This DEI Boom Mat Sound Deadening Headliner Kit is perfect for Jeep Gladiator owners who frequently drive in noisy environments or want to enhance their vehicle’s interior comfort and audio experience. It is especially beneficial for those who use their Gladiator for daily commuting, off-roading, or long road trips where reducing cabin noise and heat can greatly improve ride quality.

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.