Chevy UnderSeat SMS Subwoofer Enclosure (Built-to-order)

🔊 Chevy Underseat Subwoofer Enclosure – Build to Order

Upgrade your truck with a precision-built underseat subwoofer enclosure, custom made for your exact Chevy model. Designed for maximum output and perfect under-seat fitment — no universal junk, no guesswork.

Each enclosure is hand-built to order for strength, reliability, and clean installation.

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✅ Subwoofer Configuration Options

• 4 × 8" Subwoofers

• 2 × 10" Subwoofers

Configuration selected at checkout.

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✅ Vehicle Fitment

• Chevy 1500 / 2500 / 3500

• Crew Cab Models

• 2007–2018 WILL REQUIRE A SEAT LIFT (Additional Cost)

• 2019–2025 typically does NOT require a seat lift

• Passenger or driver side options depending on model

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🪵 Finish Options

• Bare Wood – ready for your own custom finish

• Carpeted – OEM clean look

• Lined / Bedliner – durable & moisture resistant

• Vinyl Face – show-grade front finish

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🔧 Available Add-On Upgrades

• 🔨 45° Corner Upgrade

• ✨ LED Acrylic Engraved Plaque

• 💡 LED Speaker Rings w/ Controller

• 🔌 Kicker 4-Bolt High-Power Terminal

• 🌪 Aero Ports Instead of Slot Port

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🔊 Built For Real Performance

• Strong internal bracing

• CNC-cut speaker openings

• Designed for daily bass or full demo setups

• Clean low-end response with solid output

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⚠️ Important Notes

• 2007–2018 models REQUIRE a seat lift (additional charge)

• Subwoofers not included

• Build-to-order — production time applies

• These are vehicle-specific builds, not universal prefab boxes