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Quad 8-Inch Ported Front Firing Subwoofer Box; Carpeted (01-06 Silverado 3500 HD Extended Cab)

Item SHS61121
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$724.99 each

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Subwoofer Box
      • Carpeted Light Gray Finish
      • Mounting Depth of 6.5 Inches
      • Sized 56 x 18 x 14 Inches
      • Has Space for (4) 8-Inch Subwoofers
      • Ported Front Firing Design
      • Direct Replacement
      • Comes in Singles
      • Fits 2001-2006 Chevrolet Silverado 3500 HD Extended Cab Models

      Description

      High-Capacity Bass Upgrade. The Subwoofer Box is a powerful solution for audio enthusiasts looking to maximize bass output without compromising cabin space. With room to house four 8-inch subwoofers, this enclosure delivers hard-hitting lows and deep resonance. This Subwoofer Box fits 2001-2006 Chevrolet Silverado 3500 HD Extended Cab models and is designed as a direct replacement for under-seat or behind-seat configurations.

      Construction and Appearance. Finished in a light gray carpeted wrap, this subwoofer enclosure seamlessly blends with factory interior tones. The box is built for durability and long-term performance, with a ported front-firing design that enhances airflow and sound projection. Its dimensions—56 x 18 x 14 inches—allow for optimized internal air volume and acoustic balance.

      Installation. Designed as a direct replacement, this subwoofer box offers adaptable installation in your truck’s rear cabin area. The 6.5-inch mounting depth accommodates a wide range of aftermarket subwoofers, making it a versatile solution for upgraded audio builds.

      Application. This Subwoofer Box fits 2001-2006 Chevrolet Silverado 3500 HD Extended Cab models. It improves overall audio performance with punchy, dynamic bass output, transforming your daily driving experience into a mobile soundstage.

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      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Subwoofer Box
      4.0

      Customer Reviews (1)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Silverado 3500

      • 6.0L V8 - 01, 02, 03, 04, 05, 06
      • 6.6L V8 Duramax - 01, 02, 03, 04, 05, 06
      • 8.1L V8 - 01, 02, 03, 04, 05, 06