NVX VE-GM-SLVECG2-S12S Custom Fit Single 12" Down-Firing Sealed Subwoofer Enclosure for 2008–2013 Chevy Silverado & GMC Sierra 1500 Extended Cab – Empty MDF Sub Box – Vehicle-Specific Fit

Tailor-Made for Your Truck: Precision-engineered to perfectly fit 2008–2013 Chevrolet Silverado 1500 & GMC Sierra 1500 Extended Cab models for a seamless factory appearance.

Single 12” Down-Firing Configuration: Designed for a clean, low-profile install that fits neatly under the rear seat while delivering punchy, accurate bass.

Durable Construction: Built from 3/4” MDF for superior rigidity and acoustic performance, ensuring your subwoofers sound their best.

Professional-Grade Finish: Wrapped in premium automotive-grade carpet for a clean OEM look that matches your interior.

Subwoofer-Ready Specs: Offers 0.5 cu ft of internal volume, a 4.75" mounting depth, and 11-1/8" cutout diameter, ideal for shallow or compact subwoofer setups.

Take your truck's audio game to the next level with the NVX VE-GM-SLVECG2-S12S, a custom-fit single 12” sealed subwoofer enclosure crafted specifically for 2008–2013 Chevrolet Silverado 1500 and GMC Sierra 1500 Extended Cab pickups. This down-firing box is engineered to maximize bass output without sacrificing interior space. Perfectly contoured to fit under your rear seat, the enclosure offers a stealthy install while maintaining sound quality and durability. It’s CNC-cut for pinpoint accuracy, hand-assembled, and built from 3/4" MDF for reliable performance on and off the road. The enclosure’s sealed design is optimized for tight, responsive bass. Internally, it features 0.5 cubic feet of air space—ideal for compact or shallow-mount subwoofers. Its 4.75” mounting depth and 11-1/8” cutout make it easy to pair with a wide range of aftermarket subs. Wrapped in premium automotive-grade carpet, this box looks as good as it sounds—making it a must-have for clean, professional installs.