Every DU-HA is custom designed to fit a particular model of truck. The Ford F-150 Supercab model is designed to fit underneath your pre-existing back seat. It's constructed from heavy duty polyethylene and comes with a lifetime warranty. To install the DU-HA you may have to temporarily remove the jack box. Once the DU-HA is installed, the jack can be re-installed in its original position inside the DU-HA. This model also acts as a legal gun case in most states and will hold up to 2 rifles or shotguns without scopes in the upright position.
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