Garage
Shop

Custom-fit Subwoofer Boxes for your 2013 Rocket III Roadster

Your Vehicle


Exclamation Icon
Fitment data is not available for your 2013 Rocket III Roadster
Universal-fit product options below.

Update vehicle | Remove vehicle | Vehicle store

Shop by Category


Products in these categories contain items that carry a guarantee to fit your Triumph Rocket III Roadster (change vehicle)

Additional Categories


You can shop these categories, but we cannot guarantee fit and/or we do not have products that fit your vehicle.

Top sellers

Loading...
Filters
filter-icon Filters & Sort

NVX Loaded BOOST Box - 2019-2024 Ram 1500 Crew Cab - BE-RAM-19CC-P210 (Open Box, Great)

For select 2019-2024 1500 Crew Cab - Dual 10" 1200W RMS Loaded BOOST Vented Truck Enclosure with LED Lighting

BE-RAM-19CC-P210 big
Go to item page Right Arrow Icon of Right Arrow

For select 2019-2024 1500 Crew Cab - Dual 10" 1200W RMS Loaded BOOST Vented Truck Enclosure with LED Lighting

• Custom Fit Loaded Dual 10" BOOST Vented Truck Enclosure
• Fits select 2019-2024 1500 Crew Cab
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

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

No Fit Icon Doesn't fit your Rocket III Roadster

List price $1749.98
-40% $1,049.99

In stock

Only 1 Left!

• Custom Fit Loaded Dual 10" BOOST Vented Truck Enclosure
• Fits select 2019-2024 1500 Crew Cab
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

Atrend A622-10

Empty Dual 10" Sealed Rear Underseat Truck Enclosure for select 2005-2015 Tacoma

A622-10 big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 10" Sealed Rear Underseat Truck Enclosure for select 2005-2015 Tacoma

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium black carpet finish
• Total box volume: 2 cubic feet
• Compatible with select 2005-2015 Tacoma

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

VIP Product Get $25.74 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $319.99
-20% $257.40

In stock

Only 1 Left!

Limited time!

JL Audio Stealthbox SBX-J-JLTAILGT/12W3

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2018-2024 Wrangler (JL)

SBX-J-JLTAILGT/12W3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2018-2024 Wrangler (JL)

• Sealed enclosure with 1 12" TW3 Shallow Mount Series Subwoofer
• Designed for select 2018-2024 Wrangler (JL)
• 400 watts RMS Power Rating
• Final Impedance: 2-ohm
• Made for 2-door and 4-door models
• Fits within the rear tailgate in the cargo area

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

VIP Product Get $96.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $1199.99
Save $240.00
-20% $959.99

In stock

Only 1 Left!

Atrend A219-65CPQV

Empty Quad 6.5” Vented Rear Truck Enclosure for select 2019-2024 2500 and 3500 and 1500

A219-65CPQV big
Go to item page Right Arrow Icon of Right Arrow

Empty Quad 6.5” Vented Rear Truck Enclosure for select 2019-2024 2500 and 3500 and 1500

• 6.5" Quad Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 2 cubic feet
• Compatible with select 2019-2024 2500 and 3500 and 1500

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

No Fit Icon Doesn't fit your Rocket III Roadster

$205.40

In stock

Only 1 Left!

Limited time!

NVX BOOST Box - 2008-2013 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVECG2-S10S

For select 2008-2013 Sierra 1500 and Silverado 1500 Extended Cab - Single 10" 350W RMS Loaded Down Firing BOOST Sealed Truck Enclosure

LVE-GM-SLVECG2-S10S big
Go to item page Right Arrow Icon of Right Arrow

For select 2008-2013 Sierra 1500 and Silverado 1500 Extended Cab - Single 10" 350W RMS Loaded Down Firing BOOST Sealed Truck Enclosure

• Custom-Fit BOOST Sealed truck enclosure with 1 10" S Series Subwoofer
• Compatible with select 2008-2013 Sierra 1500 and Silverado 1500
• 350 watts RMS (700 watts Peak)
• Final Impedance: 2-ohm

Independance Deals Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your Rocket III Roadster

List price $263.99
-24% $199.99

In stock

Atrend A608-10V

Empty Dual 10" Vented Truck-Style Rear Underseat Enclosure for select 2014-2019 Tundra

A608-10V big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 10" Vented Truck-Style Rear Underseat Enclosure for select 2014-2019 Tundra

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.76 cubic feet
• Compatible with select 2014-2019 Tundra

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

VIP Product Get $36.14 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $419.99
-14% $361.40

In stock

Only 2 Left!

JL Audio Stealthbox® SB-TE-YG1-10TW1

Custom Fit 10" Subwoofer Enclosure for select 2020-2023 Model Y

SB-TE-YG1-10TW1 big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit 10" Subwoofer Enclosure for select 2020-2023 Model Y

• Sealed enclosure with 1 10" Stealth Series Subwoofer
• 300 watts RMS
• Compatible with select 2020-2023 Model Y
• Final Impedance: 2-ohm

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

VIP Product Get $125.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$1,249.99

In stock

Only 1 Left!

Used from: $986.49

MTX J-WRANGLER-07A

250W RMS Loaded Single 10" Amplified Enclosure for select 2007-2016 Wrangler Unlimited

J-WRANGLER-07A big
Go to item page Right Arrow Icon of Right Arrow

250W RMS Loaded Single 10" Amplified Enclosure for select 2007-2016 Wrangler Unlimited

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In class D amplifier
• Speaker-Level Inputs
• Optional MTX EBC wired bass remote (Sold separately)

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

VIP Product Get $85.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $929.99
-9% $849.99

In stock

Only 1 Left!

Atrend A608-10CPV

Empty Dual 10" Vented Rear Truck Underseat Enclosure for select 2014-2019 Tundra

A608-10CPV big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 10" Vented Rear Truck Underseat Enclosure for select 2014-2019 Tundra

• 10" Dual Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 1.76 cubic feet
• Compatible with select 2014-2019 Tundra

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

VIP Product Get $23.14 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $254.99
-9% $231.40

In stock

Only 2 Left!

MTX Audio Thunderform F250X00BK20A-TN

200W RMS Loaded Dual 10" Sealed Amplified Truck Enclosure for for select 2000-2014 F-250 Super Duty

F250X00BK20A-TN big
Go to item page Right Arrow Icon of Right Arrow

200W RMS Loaded Dual 10" Sealed Amplified Truck Enclosure for for select 2000-2014 F-250 Super Duty

• 10" Amplified Loaded Subwoofer System
• 400 watts RMS
• Built-In class amplifier

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

VIP Product Get $93.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$929.95

Available

Ships in 10-14 days

Atrend A202-12V

Empty Dual 12" Vented Rear Truck Enclosure for select 2002-2018 Ram 1500 / 2500 / 3500 / 4500 / 5500 and 1500

A202-12V big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 12" Vented Rear Truck Enclosure for select 2002-2018 Ram 1500 / 2500 / 3500 / 4500 / 5500 and 1500

• 12" Dual Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.9 cubic feet
• Compatible with select 2002-2018 Ram 1500 / 2500 / 3500 / 4500 / 5500 and 1500

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

VIP Product Get $51.74 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $599.99
-14% $517.40

Available

Ships in 10-14 days

Limited time!

NVX Loaded BOOST Box - 2019-2024 GMC Sierra Crew Cab - BE-GM-19SLVCC-S212

For select 2019-2024 Sierra and Silverado 1500 / 1500 LD / 2500 HD / 3500 HD - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

BE-GM-19SLVCC-S212 big
Go to item page Right Arrow Icon of Right Arrow

For select 2019-2024 Sierra and Silverado 1500 / 1500 LD / 2500 HD / 3500 HD - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

• Custom Fit Loaded Dual 12" BOOST Sealed Truck Enclosure
• Fits select 2019-2024 Sierra and Silverado 1500 / 1500 LD / 2500 HD / 3500 HD
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

Independance Deals Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $160.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

List price $1849.98
-14% $1,599.99

In stock

Only 1 Left!

JL Audio Stealthbox® SB-GM-SLVD4/10TW3

Custom-Fit Loaded 10" Sealed Truck Enclosure with Two 10TW3-D8 Subwoofers for select 2019-2025 Sierra and Silverado 1500 / 1500 LD / 2500 HD / 3500 HD

SB-GM-SLVD4/10TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Sealed Truck Enclosure with Two 10TW3-D8 Subwoofers for select 2019-2025 Sierra and Silverado 1500 / 1500 LD / 2500 HD / 3500 HD

• Sealed truck enclosure with 2 10" TW3 Shallow Mount Series Subwoofer
• Designed for select 2019-2025 Sierra and Silverado 1500 / 1500 LD / 2500 HD / 3500 HD
• 800 watts per pair / 400 watts each RMS
• Final Impedance: 2-ohm
• Includes two JL Audio 12TW3-D8 subwoofers
• Mounts easily under the truck's rear seat

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

VIP Product Get $180.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$1,799.99

Available

Ships in 10-14 days

JL Audio Stealthbox® Stealthbox® SB-TE-3G1-10TW1

Custom-fit subwoofer enclosure for select 2021-2024 Model 3

SB-TE-3G1/10TW1 big
Go to item page Right Arrow Icon of Right Arrow

Custom-fit subwoofer enclosure for select 2021-2024 Model 3

• Loaded Vehicle Specific Stealthbox Enclosure with Single JL Audio 10TW1 Subwoofer
• 300 Watts RMS Power Handling
• Installs under the rear deck

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

VIP Product Get $135.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$1,349.99

In stock

Only 1 Left!

Used from: $985.49

DS18 EBM-FFPRAM19-2X8

Empty Dual 8" Vented Underseat Enclosure for select 2019-2024 1500

EBM-FFPRAM19-2X8 big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 8" Vented Underseat Enclosure for select 2019-2024 1500

• Empty 8" Dual Ported Subwoofer Enclosure
• 3/4" medium density fiberboard construction with sprayliner finish
• Vented front-firing design enhances sound projection
• Under seat enclosure mounting

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

VIP Product Get $48.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$479.95

In stock

Only 2 Left!

MTX Audio Thunderform FMUST05BK12A-TN (Amplified)

Amplified 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure select 2005-2014 Mustang

FMUST05BK12A-TN big
Go to item page Right Arrow Icon of Right Arrow

Amplified 12" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure select 2005-2014 Mustang

• Amplified 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2005-2008 Ford Mustang
• Loaded with Thunder4500 Subwoofer
• 400W Max
• 200W RMS
• 4 ohm
• Polypropylene Cone

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

VIP Product Get $78.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$779.95

In stock

Only 1 Left!

JL Audio Stealthbox® SB-T-TACACG3/10TW3

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2015-2023 Tacoma

SB-T-TACACG3/10TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2015-2023 Tacoma

• Sealed enclosure with 1 10" TW3 Shallow Mount Series Subwoofer
• Designed for select 2015-2023 Tacoma
• Designed to easily mount between the jump seats
• Provides arm rest with dual storage trays
• 400 watts RMS Power Rating
• Final Impedance: 2-ohm

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

VIP Product Get $120.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$1,199.99

In stock

Only 1 Left!

NVX Empty BOOST Box - 2015-2023 Dodge Charger - UBE-DOD-CHA-G7

For select 2015-2023 Charger - Single 10" Empty BOOST Sealed Enclosure

UBE-DOD-CHA-G7 big
Go to item page Right Arrow Icon of Right Arrow

For select 2015-2023 Charger - Single 10" Empty BOOST Sealed Enclosure

• Custom Fit Empty Single 10" BOOST Sealed Enclosure
• Compatible with select 2015-2023 Charger
• Made with hand-laid fiberglass shell covered in Carpet
• Total box volume: 0.52 cubic feet

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

No Fit Icon Doesn't fit your Rocket III Roadster

List price $251.99
-17% $209.99

In stock

• Custom Fit Empty Single 10" BOOST Sealed Enclosure
• Compatible with select 2015-2023 Charger
• Made with hand-laid fiberglass shell covered in Carpet
• Total box volume: 0.52 cubic feet

Select Increments Intra-Pod 21576

Empty Single 8" Sealed Intra-Pod Enclosure for select 1976-1995 CJ7 and Wrangler and Scrambler

21576 big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 8" Sealed Intra-Pod Enclosure for select 1976-1995 CJ7 and Wrangler and Scrambler

• 8" Single Sealed Intra-Pod Subwoofer Enclosure for select 1976-1995 CJ7 and Wrangler and Scrambler
• Durable plastic construction
• Total box volume: 0.53 cubic feet
• Pre-cut housing that will accept most 8” subwoofers
• Heavy-duty metal mesh 8” speaker grille included

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

VIP Product Get $45.00 in rewards to spend later

No Fit Icon Doesn't fit your Rocket III Roadster

$449.95

In stock.

Limited time!

MEMPHIS FDBRONTG10PRO

Empty Single 10" Subwoofer, Dual 6.5" Speakers, and 4" Tweeters Sealed Enclosure for select 2021-2025 Bronco Sport

FDBRONTG10PRO big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 10" Subwoofer, Dual 6.5" Speakers, and 4" Tweeters Sealed Enclosure for select 2021-2025 Bronco Sport

• Full Range Bronco Box for select 2021-2025 Bronco Sport
• Specifically designed to fit swing gates
• Houses 10” sub, dual 6.5“ speakers, dual 4” tweeters
• All hardware included for OEM fit

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

No Fit Icon Doesn't fit your Rocket III Roadster

1
List price $449.95
Save $199.96
-44% $249.99

In stock

Only 2 Left!

• Full Range Bronco Box for select 2021-2025 Bronco Sport
• Specifically designed to fit swing gates
• Houses 10” sub, dual 6.5“ speakers, dual 4” tweeters
• All hardware included for OEM fit

Items per page: 20

    Clear all

    All About

    Custom-fit Subwoofer Boxes
    Finding custom fit car subwoofers and boxes doesn't have to be a tedious task. We get it, you don't just want to buy a set of speakers or a box that "might fit" your vehicle, you want want that actually gets the job done. Our wide selection of vehicle-specific subwoofer & boxes will have you rockin n rolling in no time.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    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.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    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!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    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!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2012 Honda Insight

    2008 Kia Rio

    2025 Chevrolet Express 2500

    2018 Acura RLX

    2021 Hyundai Accent

    2001 Jaguar Vanden Plas

    1996 GMC C2500 Suburban

    1999 Lexus SC400

    1988 Mercury Tracer

    1986 BMW 635CSi

    Vehicle
    Store
    Delete

    2013 Triumph Rocket III Roadster

    2010 Harley Davidson FLHT Electra Glide Standard

    2020 Harley Davidson FLHT Electra Glide Standard

    2005 Harley Davidson FLHTCSE Screamin Eagle Electra Glide

    2006 Harley Davidson FXSTBI Night Train

    2000 Harley Davidson FLHRI Road King

    2000 Harley Davidson FXST Softail Standard

    Vehicle
    Store
    Delete

    2022 Can-Am Defender MAX HD9 XT

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.