Dual 8" Ported Underseat Frontfiring MDF Subwoofer Enclosure (w/ Durable Bed Liner Finish) for 2007-2018 GMC/Chevy Double Cab, Extended Cab, and High Transmission Trucks

Dual 8" Ported Underseat Frontfiring MDF Subwoofer Enclosure (w/ Durable Bed Liner Finish) for 2007-2018 GMC/Chevy Double Cab, Extended Cab, and High Transmission TrucksDual 8" Ported Front Fire Subwoofer Enclosure 2007 2018 Chevy GMC Double Extended Cab Upgrade your truck's audio system with this premium vehicle specific dual 8 inch subwoofer enclosure, custom engineered to perfectly fit 2007 2018 Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 Extended and Double Cab models. Designed to maximize your cabin's acoustic space, this enclosure mounts seamlessly under the rear seat in a front firing

Dual 8" Ported Front-Fire Subwoofer Enclosure – 2007-2018 Chevy/GMC Double/Extended Cab

Upgrade your truck's audio system with this premium vehicle-specific dual 8-inch subwoofer enclosure, custom-engineered to perfectly fit 2007-2018 Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 Extended and Double Cab models. Designed to maximize your cabin's acoustic space, this enclosure mounts seamlessly under the rear seat in a front-firing configuration, ensuring you get thunderous low-end bass reproduction without sacrificing valuable passenger legroom or comfort.

Built for serious performance and long-term durability, this heavy-duty ported box is constructed from high-quality MDF wood to eliminate flex and internal resonance. It is entirely coated in an ultra-durable black bedliner spray finish, providing a rugged, weather-resistant barrier that protects against scratches, moisture, and the daily wear and tear of a working truck. Complete with premium terminal cups for a secure connection, this enclosure provides the ideal foundation for building a high-output custom soundstage in your daily driver.

Key Features & Specifications

• Vehicle Fitment: Custom designed for 2007-2018 Chevrolet Silverado and GMC Sierra 1500/2500/3500 (Extended Cab, Double Cab, and High Transmission models)
• Subwoofer Configuration: Cutouts hold two 8-inch subwoofers
• Enclosure Design: Vented/Ported front-fire design tuned to maximize bass output, airflow, and overall low-frequency response
• Premium Finish: Coated in a rugged, ultra-durable black bedliner spray finish to resist scratches, impacts, and moisture
• Space-Saving Fit: Contoured to mount perfectly under the rear truck seat without interfering with passenger legroom
• Heavy-Duty Construction: Built with high-grade MDF wood for a rock-solid, vibration-free acoustic chamber
• Terminals: Equipped with high-quality binding post terminal cups for reliable and secure wiring connections