FREE 1 to 3-Day Delivery on Orders $149+ Details

Talk to a Sierra 2500 Sales Tech
1-610-990-4561
M-F 8:30A-11P ET, Sat-Sun 8:30A-9P ET
$6,000 Giveaway! Enter Daily >

Find Audio & Electronics for your Sierra 2500

Dual 10-Inch Behind Seat Front Firing Subwoofer Box; Poly Coated (01-06 Sierra 2500 HD Crew Cab)Find parts that fit my vehicle

Item HG61275
$0.00
Want $10? Write one of the first 5 reviews
Our Price

$234.99 each

Military, Medical & First Responders Earn $11.75 in AT Cash Rewards. Get Verified

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    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

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Dual 10-Inch Behind Seat Front Firing Subwoofer Box
      • Hardest Hit Sub Box for Chevy Extended Cab
      • Armor Coated with High Pressure Polyurethane Bed Liner Material
      • Increases Bass up to 4 Times, Stiffens the Wood, and Prevents Air Leaks
      • Designed for (2) 10-Inch Speakers
      • Front Firing Ported System
      • Air Volume 1.40 Cubic Feet per Side
      • Mounting Depth 7 Inches
      • Constructed from 5/8-Inch M.D.F
      • Also Fits Extended Cab 3-Door
      • Easy Installation
      • Fits 2001-2006 Sierra 2500 HD Crew Cab

      Description

      High-Output Bass Enclosure. The Dual 10-Inch Behind Seat Front Firing Subwoofer Box is engineered to deliver powerful, hard-hitting bass for your Sierra 2500 HD. Featuring a front-firing, ported design, it maximizes output and clarity, boosting bass performance up to four times compared to stock setups. This box is ideal for audio enthusiasts who want deep sound without sacrificing cabin space.

      Construction and Appearance. Built from durable 5/8-inch MDF, the enclosure is armor coated with high-pressure polyurethane bed liner for strength and long-term protection. This coating stiffens the wood, increases bass response, and prevents air leaks for consistent performance. With 1.40 cubic feet of air volume per side and a 7-inch mounting depth, it's optimized for two 10-inch speakers. The design also accommodates Extended Cab 3-door configurations.

      Installation. Installation is easy, with the enclosure engineered to fit behind the seat without major modifications. It is designed specifically for extended cab and crew cab models for a clean, factory-style integration.

      Application. This Dual 10-Inch Behind Seat Front Firing Subwoofer Box fits 2001-2006 Sierra 2500 HD Crew Cab and also fits Extended Cab 3-door models.

      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) Dual 10-Inch Behind Seat Front Firing Subwoofer Box

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 2500

      • 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