Father’s Day Sale – Up to 40% Off! Shop Now >

Single 12-Inch Behind Driver's Seat Ported Subwoofer Box; Poly Coated (07-14 Sierra 2500 HD Crew Cab)Find parts that fit my vehicle

Item HG54839
Our Price

$219.99 each

Military, Medical & First Responders $11.00 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Armor Coated With High Pressure Polyurethane Bed Liner Material
      • Increases The Base Up To Four Times
      • Stiffens The Wood And Prevents Air Leaks
      • Designed For Single 12-Inch Speakers Ported Systems
      • Fits Behind The Driver's Seat
      • Down Firing System
      • Air Volume 1.08 Cubic Feet
      • Port Volume 0.06 Cubic Feet
      • Mounting Depth 6 Inches
      • Constructed From 5/8-Inch MDF
      • Dimensions: 35 Inches Length x 11 Inches Width x 17 Inches Height
      • Fits 2007-2014 Sierra 2500 HD Crew Cab

      Description

      Durable Ported Subwoofer. The single 12-inch behind driver's seat ported subwoofer box, poly coated, enhances low-frequency sound performance inside the truck cabin. Engineered to deliver powerful bass impact while fitting seamlessly behind the driver’s seat, this subwoofer box is ideal for audiophiles seeking an upgrade for deeper, more resonant bass response.

      Construction and Appearance. The enclosure is constructed from 5/8-inch MDF and reinforced with a high-pressure polyurethane bed liner coating that stiffens the wood and prevents air leaks. This armor coating provides a durable, textured finish resistant to wear and improves structural integrity, ensuring consistent acoustic performance and long-lasting durability in demanding automotive environments.

      Installation. Installation is straightforward and designed to fit snugly behind the driver’s seat without requiring drilling or modifications. It installs easily for those with moderate mechanical skills.

      Application. Specifically made to fit the 2007-2014 Sierra 2500 HD Crew Cab, ensuring a precise fit behind the driver’s seat for optimal sound staging and system integration.

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

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 30 Minutes

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Ported Subwoofer Box
      4.6

      Reviews of similar Interior Products (35)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 2500

      • 6.0L V8 - 07, 08, 09, 10, 11, 12, 13, 14
      • 6.6L V8 Duramax - 07, 08, 09, 10, 11, 12, 13, 14