JL AUDIO Stealthbox Enclosed Subwoofer for Chevrolet Silverado and GMC Sierra Crew Cab - SBX-GM-SLVCC4/12TW3

Combining our advanced thin-line subwoofer technology with a form-fitting enclosure design, this Stealthbox subwoofer system houses two powerful 12-inch TW3 thin-line subwoofers to deliver outstanding sub-bass performance without compromising passenger comfort. The rugged, custom-molded sealed enclosure is designed to fit neatly under the rear seat. We even left space on the enclosure that’s perfect for a clean, hidden amplifier installation.Installs under rear seat. Will not affect rear seat folding or rear leg room. This is made for the following Chevrolet Silverado and GMC Sierra full-size trucks: 1500 Crew Cab model years 2019-2024 and 2500/3500 Crew Cab model years 2020-2024.