AXC 4x8 Subwoofer Box – 2014+ GM Crew Cab Trucks Upgrade your truck’s sound system with the AXC 4x8 Subwoofer Box, designed specifically for 2014 and newer GM Crew Cab pickup trucks. Built for a precise fit and maximum performance, this enclosure provides the ideal foundation for a powerful, clean bass upgrade while maintaining a factory-style appearance. Features: Fits 2014+ GM Crew Cab pickup trucks Designed for four 8-inch subwoofers Durable, precision-built MDF construction Textured black finish for a clean, professional look Engineered for excellent sound quality and bass response Easy installation with a vehicle-specific fit Whether you’re building a daily driver or a full custom audio system, the AXC 4x8 Subwoofer Box delivers the performance, fitment, and quality you need to take your bass to the next level. Vehicle Fitment: 2014+ Chevrolet Silverado Crew Cab 2014+ GMC Sierra Crew Cab