DEI Boom Mat Side Window Trim

2018–2026 Jeep Wrangler Unlimited JL

Part #: 50175

Overview

The DEI Boom Mat Side Window Trim is a precision-engineered interior accessory designed specifically for the Jeep Wrangler Unlimited JL models from 2018 through 2026. This trim kit serves as the perfect finishing touch to complement your Jeep headliner installation, enhancing both the aesthetic and functional aspects of your vehicle’s interior. Ideal for Jeep enthusiasts looking to improve cabin comfort, the Boom Mat Side Window Trim adds an extra layer of sound deadening and thermal insulation, contributing to a quieter, more comfortable driving experience.

Crafted to seamlessly integrate with your existing interior components, this trim kit not only elevates the look of your Wrangler’s cabin but also helps reduce road noise and temperature fluctuations, making every drive more enjoyable whether on or off-road.

Key Features

The DEI Boom Mat Side Window Trim combines advanced materials and thoughtful design to deliver superior performance and durability. Key features include:

• Specifically designed for 2018–2026 Jeep Wrangler Unlimited JL models ensuring perfect fitment
• Enhances sound deadening by adding an additional layer of noise insulation around side windows
• Improves thermal insulation to help maintain interior temperature and reduce heat transfer
• Constructed from open cell polyurethane foam for effective sound absorption and cushioning
• Finished with a durable polymer surface treatment for long-lasting protection and easy cleaning
• Complements DEI Jeep Headliner Kits for a cohesive interior upgrade
• Simple installation process designed to integrate seamlessly with existing interior trim
• White finish adds a clean, refined look to the vehicle’s interior trim

Construction & Design

The Boom Mat Side Window Trim is built using open cell polyurethane foam, a material known for its excellent sound absorption and thermal insulation properties. This foam core is treated with a polymer surface finish that enhances durability and resistance to wear, ensuring the trim maintains its appearance and functionality over time. The design focuses on precision fitment to the Jeep Wrangler Unlimited JL’s side window areas, allowing it to snugly fit without gaps or interference with other interior components.

DEI’s engineering approach balances lightweight construction with robust performance, making this trim both effective and unobtrusive. The white finish not only looks great but also complements a wide range of interior color schemes and styles.

Installation & Fitment

Installation of the DEI Boom Mat Side Window Trim is straightforward and designed to work in tandem with your Jeep Wrangler Unlimited JL’s existing interior setup. It is intended as a finishing component following the installation of a headliner kit, providing a seamless transition and polished look around the side windows. No major modifications are required, and the kit is engineered for a direct fit to the 2018–2026 Jeep Wrangler Unlimited JL models.

For best results, it is recommended to install this trim as part of a comprehensive interior upgrade, including DEI’s headliner kits, to maximize sound deadening and thermal insulation benefits.

What’s Included

• DEI Boom Mat Side Window Trim Kit (White)
• Installation instructions

Ideal For

This product is ideal for Jeep Wrangler Unlimited JL owners who want to enhance their vehicle’s interior comfort and aesthetics. It is especially suited for enthusiasts who have installed or plan to install a DEI headliner kit and desire a professional, finished look with added sound and thermal insulation. Whether you use your Jeep for daily driving, off-roading, or weekend adventures, this trim kit helps create a quieter, more comfortable cabin environment.

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.