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2025 Harley Davidson Road Glide 3

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A custom-fit vehicle-specific sub solution for your Road Glide 3 saves space and offers a finish that is unrivaled.

Overview Upgrade your Speakers Add an Amplifier Digital Sound Processors Audio Installation & Accessories Dads & Grads Sale

Sub Boxes Custom-fit for your 2025 Road Glide 3 for 2025 Harley Davidson Road Glide 3

A Road Glide 3 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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Diamond Audio (4)

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Diamond Audio DA24RGSP2

2-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5” 2-Way Coaxial Speakers and 2-Channel Amplifier

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Diamond Audio DA24RGSP2

2-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5” 2-Way Coaxial Speakers and 2-Channel Amplifier

• Includes pair of 6.5" coaxial speakers and 2-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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VIP Product Get $140.00 in rewards to spend later

found car based on your search
Fits your Road Glide 3
List price $1679.99
-17% $1,399.99

In stock.

Add to Cart

• Includes pair of 6.5" coaxial speakers and 2-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

Diamond Audio DA24RGSP5

4-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5" and Pair of 6x9" 2-Way Coaxial Speakers and 4-Channel Amplifier

DA24RGSP5 big
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Diamond Audio DA24RGSP5

4-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5" and Pair of 6x9" 2-Way Coaxial Speakers and 4-Channel Amplifier

• Includes pair of 6.5" and pair of 6x9" coaxial speakers and 4-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $302.00 in rewards to spend later

found car based on your search
Fits your Road Glide 3
List price $3623.99
-17% $3,019.99

In stock.

Add to Cart

• Includes pair of 6.5" and pair of 6x9" coaxial speakers and 4-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

NVX - Worth the Envy - Direct to Consumer Car Audio

Diamond Audio DA24RGSP1

2-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5” 2-Way Coaxial Speakers and 2-Channel Amplifier

DA24RGSP1 big
Go to item page Right Arrow Icon of Right Arrow

Diamond Audio DA24RGSP1

2-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5” 2-Way Coaxial Speakers and 2-Channel Amplifier

• Includes pair of 6.5" coaxial speakers and 2-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $138.00 in rewards to spend later

found car based on your search
Fits your Road Glide 3
List price $1655.99
-17% $1,379.99

In stock.

Add to Cart

• Includes pair of 6.5" coaxial speakers and 2-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

Diamond Audio DA24RGSP4

4-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5” and Pair of 6x9" 2-Way Coaxial Speakers and 4-Channel Amplifier

DA24RGSP4 big
Go to item page Right Arrow Icon of Right Arrow

Diamond Audio DA24RGSP4

4-Speaker Audio Upgrade Kit for select 2024-2025 vehicles from Harley Davidson Includes Pair of 6.5” and Pair of 6x9" 2-Way Coaxial Speakers and 4-Channel Amplifier

• Includes pair of 6.5" and pair of 6x9" coaxial speakers and 4-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $243.00 in rewards to spend later

found car based on your search
Fits your Road Glide 3
List price $2915.99
-17% $2,429.99

In stock.

Add to Cart

• Includes pair of 6.5" and pair of 6x9" coaxial speakers and 4-channel amplifier
• Fits perfectly into the 2024-Up Harley-Davidson Road Glide
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

NVX - Worth the Envy - Direct to Consumer Car Audio
 
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    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
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    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
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    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    FAQ for Custom-fit Subwoofer Boxes & Enclosures in 2025 Road Glide 3

    Q: Can I upgrade or change the Custom-fit Subwoofer Boxes & Enclosures in 2025 Harley Davidson Road Glide 3?

    A: Yes this page includes all the best Custom-fit Subwoofer Boxes & Enclosures that work in your Road Glide 3.

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

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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