DU-HA Storage Systems / Gun Cases - Whether you're a contractor, sportsman or simply someone looking for a great way to organize your pickup truck and keep your guns and gear safely out of sight, the DU-HA is perfect for you. The DU-HA allows you to store your gear, guns, tools, tow ropes, jumper cables, and so much more safely and securely underneath the back seat of your truck. FITMENT NOTES: This item fits Double Cab models only and will NOT fit CrewMax models. This model WILL fit with the factory subwoofer installed underneath the back seat. If your truck does NOT has the factory subwoofer installed under the back seat, see part # 60051.