2018-2026 Jeep Wrangler JL (4 Door) | Sound Assassin Packages

Product Description Sound Assassin is our premium Sound Deadening & Thermal Insulation material, specifically designed to reduce road noise and heat inside your Jeep Wrangler JL 4-Door. It's an excellent addition to any Jeep build, enhancing ride comfort in all climates. With 30+ years of experience in automotive upholstery, we've tested countless materials — and butyl-based sound deadening has consistently proven to be the most effective and easy to install. Sound Assassin Demonstration [Video] How Effective is Sound Assassin for Sound Deadening? This video demonstrates how well our Sound Assassin products deaden the vibration in a large area with only a small strip.