Our Stage 1 enclosure offers clean, reliable bass in a no-nonsense, OEM-style design. This downfire box is built specifically to fit 2007–2018 Chevy and GMC Crew Cab trucks, delivering solid performance while keeping a factory-clean appearance under the rear seat.
Ideal for daily use, this box provides a simple upgrade in sound without unnecessary flash — unless you choose to add it.
✅ Standard Features:
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Premium carpet or black vinyl wrap
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¾” MDF construction with internal bracing
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Rounded corners and flush-mount design for a clean look
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Downfire subwoofer layout for stealth and protection
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Sealed or ported (based on subwoofer and tuning preference)
🔧 Optional Upgrades:
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Color-matched vinyl wrap
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Engraved acrylic inserts (front or side)
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Integrated LED lighting behind acrylic
📐 Fitment & Specs:
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Fits: 2007–2013 Silverado / Sierra 1500 Crew Cab
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Fits: 2014–2018 Silverado / Sierra 1500/2500/3500 Crew Cab
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Designed for maximum airspace without lifting the seat
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Requires removal of OEM under-seat storage (if equipped)
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Not compatible with thick floor liners under the enclosure
- Seatlift might be required depending on sub quantity and size
🛠️ Custom-built to order. Delivery times vary — contact us for current lead times.
Subwoofers not included. Due to the custom nature of this product, all sales are final.