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Dual 12-Inch Down Fire Ported Subwoofer Box; Poly Coated (14-18 Sierra 1500 Crew Cab)Find parts that fit my vehicle

Item S584919
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$264.99 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Dual 12-Inch Down Fire Ported Subwoofer Box
      • Delivers Hard-Hitting Bass with Ported Configuration
      • 5/8-Inch MDF Construction
      • High-Pressure Polyurethane Bed Liner Coating
      • 1.26 Cubic Feet Total Air Volume
      • Shared Air Chamber with 0.03 Cubic Foot Port
      • Space-Saving Down-Firing Layout
      • Easy Drop-In Installation with No Modifications Required
      • Fits 2014-2018 Sierra 1500 Crew Cab Models

      Description

      High-Impact Bass Upgrade.The Dual 12-Inch Down Fire Ported Subwoofer Box is engineered to deliver hard-hitting bass in a compact, vehicle-specific design. Perfect for audio enthusiasts looking to upgrade their Sierra's sound system, this enclosure supports two 12-inch subs and enhances low-frequency output with its ported configuration. The down-firing design preserves interior space while delivering smooth, deep bass performance.

      Construction and Appearance.Built from durable 5/8-inch MDF and coated in a high-pressure polyurethane bed liner, the enclosure is rugged and resistant to wear. It features a shared air chamber with a 0.03 cubic foot port and total air volume of 1.26 cubic feet, tuned for precise bass response. The down-firing layout helps protect the subwoofers while reducing vibration and distortion.

      Installation.Installation is easy and requires no cutting or modifications. Designed specifically for under-seat fitment in the rear of your crew cab, this box drops into place and is ready for wiring and subwoofer mounting.

      Application.This Dual 12-Inch Down Fire Ported Subwoofer Box fits 2014-2018 Sierra 1500 Crew Cab Models.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 15 Minutes

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Dual 12-Inch Down Fire Ported Subwoofer Box
      4.7

      Reviews of similar Interior Products (12)

      Questions & Answers

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      Will It Fit My Sierra 1500

      • 4.3L V6 - 14, 15, 16, 17, 18
      • 5.3L V8 - 14, 15, 16, 17, 18
      • 6.2L V8 - 14, 15, 16, 17, 18