Check the listing for details. 2014 - 2018 Custom Chevy Silverado Crew Cab subwoofer box Quad 8" Ported. Condition: New. Listed at 399.00 USD. Updated design for 2014 through 2018 Specific Chevy Silverado 1500 crew cab subwoofer box. also fits 2007 thru 2013 1500 Crew cab silverado. Fits Hd models 2500 3500 Crew cab 2015 to 2019 NO SEAT LIFT is required with this enclosure Gloss or matte black acrylic for an added touch. terminal cups are included. ported on sides chambered in middle with internal bracing and sprayed with black liner for extra strength. approx. measurements are 53" Length Depth 14.5" Front height 9" Rear height 5.6" port length 19.5" has transmission center hump cutout Extra cuts on bottom, to help with clearance for larger motor/magnet subwoofers. 8.75" subwoofer depth 7.5" Sub. cutout volume of 2.0ft3 and port (Fb) set at 35Hz constructed from 1/2 inch mdf Cajon para bocinas medida 8 pulgadas para 4 puertas CREW CAB 2014 a 2018 Chevy Silverado 1500 2015 a 2019 2500Hd 3500hd modelos diesel y gas crew cab 4 puertas grandes tambienle queda alas trocas 1500 crew cab aos 2007 a 2013 Diseo acrilico en medio negro Bocinas/parlantes con man grande o pequeo caben, sin tener que levantar asiento. El cajon mide 53 pulgadas de largo, 14.5 pulgadas de profundidad altura frontal 9 pulgadas, trasero 5.6 2.0 pies cubicos de espacio total, construcion madera de 1/2. ejemplos en las fotos de como sienta