Check the listing for details. Custom Quad 8" Subwoofer Box 2019-2022 Silverado Ported Enclosure. Condition: New. Listed at 399.99 USD. 2019 2020 2021 2022 Specific Chevy Silverado 1500 crew cab subwoofer box. fits Hd models 2500 3500 Crew cab 2020to 2022 ordering through fb is a bit cheaper--https://www.facebook.com/marketplace/item/414881850692928/ NO SEAT LIFT is required Does NOT fit double cab ported on sides chambered in middle. Chevy emblem etched acrylic internal bracing 3/4ths wood Rhino spray lined approx. measurements 49" Length Depth 15" Front height 10.375" Rear height 6.25" has trans. hump cutout and seat bracket cutout, bottom clearance for large motor/magnet subwoofers. 6.625" woofer depth 7.375 cutout Tuned to 35hz. cajon para bocinas parlantes bajeos medida 8 pulgadas para 4 puertas CREW CAB 2019 a 2022 silverado 1500 2020 to 2022 2500Hd 3500hd modelos diesel y gas