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2006 GMC Sierra Denali

A custom-fit vehicle-specific sub solution for your Sierra Denali saves space and offers a finish that is unrivaled.

Sub Boxes Custom-fit for your 2006 Sierra Denali for 2006 GMC Sierra Denali

A Sierra Denali custom-fit sub box is the best way to add bass without sacrificing space. You'll get a box that looks and sounds great and matches the factory "look" to a T.  We carry vehicle specific solutions like the NVX BOOST Boxes, JL Audio StealthBoxes, MTX Thunderforms and more.

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JL Audio Stealthbox® SB-GM-SLVCRW/10TW3

Custom fit subwoofer enclosure for select 2001-2006 Silverado 2500 HD / 3500 / 1500 HD / 1500 and Sierra 2500 HD / 1500 HD / 3500 / 1500 and Sierra Denali

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Custom fit subwoofer enclosure for select 2001-2006 Silverado 2500 HD / 3500 / 1500 HD / 1500 and Sierra 2500 HD / 1500 HD / 3500 / 1500 and Sierra Denali

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Dual JL Audio 10TW3-D4
• 800 Watts RMS
• For 1999-2006 Chevrolet Silverado / GMC Sierra Crew Cab Trucks
• Stealthbox Installs neatly behind the rear seat

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Fits your Sierra Denali
1
$1,699.99

In stock

Only 2 Left!

Used from: $1,444.99

Atrend A161-10

Empty Single 10" Vented Truck-Style Enclosure for select 2001-2007 Sierra 2500 HD / 3500 / 1500 / 1500 HD and Silverado 2500 HD / 3500 / 1500 / 1500 HD and Sierra Denali

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Empty Single 10" Vented Truck-Style Enclosure for select 2001-2007 Sierra 2500 HD / 3500 / 1500 / 1500 HD and Silverado 2500 HD / 3500 / 1500 / 1500 HD and Sierra Denali

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.76 cubic feet
• Compatible with select 2001-2007 Sierra 2500 HD / 3500 / 1500 / 1500 HD and Silverado 2500 HD / 3500 / 1500 / 1500 HD and Sierra Denali

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Fits your Sierra Denali
List price $249.99
-18% $205.40

Available

Ships in 10-14 days

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Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 DVC

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

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Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

•2 Subwoofers and Dual Subwoofer Enclosure
•1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
•Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

Save 15% Off Package Deals at Checkout!
found car based on your search
Fits your Sierra Denali
4
List price $414.97
-8% $379.99

•2 Subwoofers and Dual Subwoofer Enclosure
•1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
•Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

JL Audio Stealthbox® SB-GM-SLVCRW/10TW3 (Open Box, Great)

Custom fit subwoofer enclosure for select 2001-2006 Silverado 3500 / 1500 / 2500 HD / 1500 HD and Sierra 2500 HD / 3500 / 1500 / 1500 HD and Sierra Denali

SB-GM-SLVCRW/10TW3 big
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Custom fit subwoofer enclosure for select 2001-2006 Silverado 3500 / 1500 / 2500 HD / 1500 HD and Sierra 2500 HD / 3500 / 1500 / 1500 HD and Sierra Denali

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Dual JL Audio 10TW3-D4
• 800 Watts RMS
• For 1999-2006 Chevrolet Silverado / GMC Sierra Crew Cab Trucks
• Stealthbox Installs neatly behind the rear seat

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Sierra Denali
1
List price $1699.99
-15% $1,444.99

In stock

Atrend A164-10CP

Empty Dual 10" Sealed Rear Underseat Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

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Empty Dual 10" Sealed Rear Underseat Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.16 cubic feet
• Compatible with select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

found car based on your search
Fits your Sierra Denali

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.16 cubic feet
• Compatible with select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

Limited time!

Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box (2) NSW102V3

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

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Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

• 2 Subwoofers with Dual Subwoofer Enclosure bundle
• 700 Watt (350W RMS) 10" N-Series V2 Dual 2-Ohm Car Subwoofer (NSW102 v2)
• Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

Purchase $400 or More of NVX and Save 15%!
found car based on your search
Fits your Sierra Denali
54
List price $390.97
-8% $359.97

• 2 Subwoofers with Dual Subwoofer Enclosure bundle
• 700 Watt (350W RMS) 10" N-Series V2 Dual 2-Ohm Car Subwoofer (NSW102 v2)
• Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 SVC

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

Go to item page Right Arrow Icon of Right Arrow

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 2500 HD / 1500 HD / 3500 / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

• 2 Subwoofers with Dual Subwoofer Enclosure
• 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer
• Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

found car based on your search
Fits your Sierra Denali
7
List price $414.97
-15% $351.65

• 2 Subwoofers with Dual Subwoofer Enclosure
• 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer
• Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

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    FAQ for Custom-fit Subwoofer Boxes & Enclosures in 2006 Sierra Denali

    Q: Can I upgrade or change the Custom-fit Subwoofer Boxes & Enclosures in 2006 GMC Sierra Denali?

    A: Yes this page includes all the best Custom-fit Subwoofer Boxes & Enclosures that work in your Sierra Denali.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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