Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
Poly-Coated Armor for Lasting Strength. This enclosure is coated with high-pressure polyurethane bed liner material, creating a rugged shell that resists wear, moisture, and vibration. The poly coating not only stiffens the MDF construction but also eliminates air leaks, ensuring consistent bass performance. Built to withstand the demands of heavy-duty use, it’s engineered for durability and long-term reliability.
Front-Firing Design for Maximum Impact. The front-firing system projects bass directly into the cabin, producing tight, punchy low frequencies that hit with authority. This design enhances sound clarity while preventing muffled tones often associated with rear-firing enclosures. Whether you’re cruising highways or parked at a show, the bass response is powerful and immersive.
Optimized Air Volume and Depth. with .88 cubic feet of air space per side and a mounting depth of 5.5 inches, this box is tuned to deliver balanced acoustics for a wide range of 12-inch subwoofers. The precision engineering ensures your subs perform at their peak, producing deep lows without distortion. It’s the perfect blend of technical accuracy and musical enjoyment.
Heavy-Duty MDF Construction. Crafted from 5/8-inch medium-density fiberboard, the enclosure provides a solid foundation that minimizes resonance and enhances sound quality. Combined with the poly coating, the MDF structure ensures rigidity and stability, giving your subwoofers the ideal environment to perform at their best.
Installation. Putting this Dual 12-Inch Behind Seat Front Firing Subwoofer Box; Poly Coated on your Sierra 3500 HD Crew Cab takes 1 hour to install.
Warranty. There is a 1-year warranty on this product.
Application. The Dual 12-Inch Behind Seat Front Firing Subwoofer Box; Poly Coated fits 2001-2006 Sierra 3500 HD Crew Cab models.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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