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Custom-fit Subwoofer Boxes for your 2013 335i

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JL Audio Stealthbox® SB-J-WRUP/10TW1-2

Custom-Fit Loaded 10" Sealed Enclosure with One 10TW1-2 Subwoofer for select 2007-2018 Wrangler Unlimited and Wrangler Unlimited (JK) (Passenger Side, 2-ohm)

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Custom-Fit Loaded 10" Sealed Enclosure with One 10TW1-2 Subwoofer for select 2007-2018 Wrangler Unlimited and Wrangler Unlimited (JK) (Passenger Side, 2-ohm)

• Sealed enclosure with 1 10" TW1 Series Subwoofer
• Designed for select 2007-2018 Wrangler Unlimited and Wrangler Unlimited (JK)
• 300 watts RMS Power Rating
• Final Impedance: 2-ohm
• Includes one JL Audio 10TW1-2 subwoofer
• Mounts above each rear wheel well on the passenger side

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$1,149.99

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JL Audio Stealthbox® SBX-J-JL4D24/12TW3

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2024-2026 Wrangler Unlimited

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Custom-Fit Loaded 12" Subwoofer Enclosure for select 2024-2026 Wrangler Unlimited

• Sealed enclosure with 1 12" Stealthbox Series Subwoofer
• Designed for select 2024-2026 Wrangler Unlimited
• 400 watts RMS Power Handling
• Final Impedance: 2-ohm

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• Sealed enclosure with 1 12" Stealthbox Series Subwoofer
• Designed for select 2024-2026 Wrangler Unlimited
• 400 watts RMS Power Handling
• Final Impedance: 2-ohm

JL Audio Stealthbox SB-D-5GRAMCCF/12TW3

Custom fit subwoofer enclosure for select 2019-2024 1500 models with Fixed Rear Seat

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Custom fit subwoofer enclosure for select 2019-2024 1500 models with Fixed Rear Seat

• Vehicle Specific Stealthbox Subwoofer Enclosure with Dual JL Audio 12TW3-D8-2
• 400 Watts RMS Power Handling
• For models equipped with a rear Under seat storage tray

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$2,199.99

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Used from: $1,869.99

JL Audio Stealthbox® SB-POL-SLINGSUBP/10W3v3-2

Custom fit subwoofer enclosure for select 2015-2024 vehicles from Polaris (Passenger Side - 2 Ω)

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Custom fit subwoofer enclosure for select 2015-2024 vehicles from Polaris (Passenger Side - 2 Ω)

• Loaded with a JL Audio 10" 10W3v3 2 ohm Subwoofer
• Fits 2015-Up Polaris Slingshot Vehicles
• 100% Fiberglass Construction
• Mounts Behind the Passenger Seat
• Weatherproof Finish

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$1,149.99

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DS18 EBM-FFPRAM19-2X8

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

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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

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$479.95

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Atrend A184-10V

Empty Dual 10" Vented Underseat Up-Fire Enclosure for select 2014-2018 Sierra 1500 / 2500 HD / 3500 HD and Silverado 1500 / 3500 HD / 2500 HD

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Empty Dual 10" Vented Underseat Up-Fire Enclosure for select 2014-2018 Sierra 1500 / 2500 HD / 3500 HD and Silverado 1500 / 3500 HD / 2500 HD

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2 cubic feet
• Compatible with select 2014-2018 Sierra 1500 / 2500 HD / 3500 HD and Silverado 1500 / 3500 HD / 2500 HD

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List price $349.99
-12% $309.40

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JL Audio Stealthbox® SB-POL-RXPC/10TW3

Custom fit subwoofer enclosure for select 2017-2021 Ranger XP

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Custom fit subwoofer enclosure for select 2017-2021 Ranger XP

• Custom Stealthbox Enclosure with One 10TW3-D4 Subwoofer
• 400W RMS
• For 2015-Up Polaris Ranger XP Vehicles
• Mounted Beneath the Passenger's Seat
• Fiberglass and Weatherproof Enclosure
• Up-Firing Design
• Wired for 2 Ohm Load

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$949.99

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NVX PBK-BEGMSLVDCG4 - 2019-UP Chevy Silverado/GMC Sierra - Complete Bass Package

For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - 12" 800W RMS Complete Amplified Subwoofer Bass Package Solution

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For select 2019-2024 Sierra and Silverado 1500 / 3500 HD / 2500 HD / 1500 LD - 12" 800W RMS Complete Amplified Subwoofer Bass Package Solution

• Fits 2019-up Chevrolet Silverado and GMC Sierra Double Cab Trucks
• Custom Hand-laid sealed fiberglass enclosure
• Loaded with two 12" SMW12D4 Subwoofers
• Installs quickly and easily under the rear seat

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JL Audio Stealthbox® SB-POL-RZG2-10TW3

Custom Stealthbox Enclosure For select 2014-2019 RZR XP and RZR 900 XC Edition / 4 900 EPS / 4 900 EPS LE

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Custom Stealthbox Enclosure For select 2014-2019 RZR XP and RZR 900 XC Edition / 4 900 EPS / 4 900 EPS LE

• Custom Stealthbox Enclosure with One 10TW3-D4 Subwoofer
• 400W RMS
• For 2014-Up Polaris RZR Vehicles
• Replaces Your Glove Box Assembly
• Fiberglass and Textured Sealed Enclosure
• Front-Firing Design
• Wired for 2 Ohm Load

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$1,099.99

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Kicker 51KTDL7T102 + NVX NDA15001 w/ Free Amp Install Kit

1000W RMS Loaded Dual 10" Sealed Truck Enclosure with 1500W RMS Class D Monoblock Car Amplifier, 4 Gauge OFC Wiring Kit, and Koozies

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1000W RMS Loaded Dual 10" Sealed Truck Enclosure with 1500W RMS Class D Monoblock Car Amplifier, 4 Gauge OFC Wiring Kit, and Koozies

  • Kicker 1000W RMS Loaded Dual 10-Inch Sealed Truck Enclosure
  • NVX 3000W Peak Class D Monoblock Amplifier with Bass Remote
  • Full Spec 4 Gauge 100% OFC Copper 2-Channel Wiring Kit with RCA
  • Premium Polyurethane Foam Can Insulator Sleeve with Logo
  • Additional Black Foam Can Insulator Sleeve Koozie
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-25% $1,050.02

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  • Kicker 1000W RMS Loaded Dual 10-Inch Sealed Truck Enclosure
  • NVX 3000W Peak Class D Monoblock Amplifier with Bass Remote
  • Full Spec 4 Gauge 100% OFC Copper 2-Channel Wiring Kit with RCA
  • Premium Polyurethane Foam Can Insulator Sleeve with Logo
  • Additional Black Foam Can Insulator Sleeve Koozie

Diamond Audio VSP8SMBL

Mercedes Benz® Specific 8″ Subwoofer Speakers (Left)

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Mercedes Benz® Specific 8″ Subwoofer Speakers (Left)

• Peak Power: 200 W
• RMS Power: 100 W
• Cone Material Glass Fiber

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$409.99

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SSV Works 240-DF-US10U

Empty Single 10" Sealed Front or Rear Underseat Enclosure for select 2018-2024 vehicles from Can-Am

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Empty Single 10" Sealed Front or Rear Underseat Enclosure for select 2018-2024 vehicles from Can-Am

• 10" Single Sealed Enclosure
• Rotomolded plastic construction
• Total box volume: 0.69 cubic feet
• Includes mounting hardware and accessories

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$369.99

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AudioControl TX-JTD8

1000W RMS Loaded Dual 8" Vented Enclosure for select 2020-2024 Gladiator

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1000W RMS Loaded Dual 8" Vented Enclosure for select 2020-2024 Gladiator

• Ported under seat enclosure with 2 8" Subwoofer
• Compatible with select 2020-2024 Gladiator
• 1000 watts RMS pair / 500 watts RMS each
• Final Impedance: 4-ohm
• Dimensions: 48" L x 7.5" H x 10.5" W

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List price $999.00
-15% $849.00

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Atrend A201-10CPV

Empty Single 10" Vented Underseat Truck Enclosure for select 2002-2018 Ram 1500 / 3500 / 2500 and 1500

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Empty Single 10" Vented Underseat Truck Enclosure for select 2002-2018 Ram 1500 / 3500 / 2500 and 1500

• 10" Single Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 2.3 cubic feet
• Compatible with select 2002-2018 Ram 1500 / 3500 / 2500 and 1500

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$205.40

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Atrend A161-10

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

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

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List price $249.99
-18% $205.40

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NVX Loaded BOOST Box - 2019-2024 Ram 1500 Crew Cab - BE-RAM-19CC-P210

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

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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

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List price $1749.98
-14% $1,499.99

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NVX Loaded BOOST Box - BE-TOYHIG3-VS102 (Open Box, Like New)

For select 2014-2019 Highlander and Highlander Hybrid - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

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For select 2014-2019 Highlander and Highlander Hybrid - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

• Sealed BOOST enclosure with 1 10" N Series Subwoofer
• Fits select 2014-2019 Highlander and Highlander Hybrid
• 500 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm

10% Off Open Box!
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List price $437.99
-32% $297.49
$267.74 with coupon | Price details

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NVX Loaded BOOST Box - 2019-2024 Ram 1500 Crew Cab - BE-RAM-19CC-S212

For select 2019-2024 1500 Crew Cab - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

BE-RAM-19CC-S212 big
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For select 2019-2024 1500 Crew Cab - 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 1500 Crew Cab
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

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List price $1849.98
-14% $1,599.99

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NVX PBK-RAM-19CC-S212 - 2019-2024 Ram 1500 Crew Cab - Complete Bass Package

For select 2019-2024 1500 - Dual 12" 1200W RMS Complete Amplified Subwoofer Bass Package Solution

PBK-RAM-19CC-S212 big
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For select 2019-2024 1500 - Dual 12" 1200W RMS Complete Amplified Subwoofer Bass Package Solution

  • NVX Loaded BOOST Box for 2019-2024 Ram 1500 Crew Cab
  • Dual 12" 1200W RMS Loaded Sealed Enclosure
  • Custom RGB LED Lighting with Bluetooth App Control
  • SQ-Series 12" Dual 4-ohm Shallow-Mount Subwoofers
  • 1200W Peak Power Handling per Subwoofer
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  • NVX Loaded BOOST Box for 2019-2024 Ram 1500 Crew Cab
  • Dual 12" 1200W RMS Loaded Sealed Enclosure
  • Custom RGB LED Lighting with Bluetooth App Control
  • SQ-Series 12" Dual 4-ohm Shallow-Mount Subwoofers
  • 1200W Peak Power Handling per Subwoofer
Lowest price in 30 days

NVX PBK-RAM-19CC-P212 - 2019-2024 Ram 1500 Crew Cab - Complete Bass Package

For select 2019-2024 1500 - Dual 12" 1200W RMS Complete Amplified Subwoofer Bass Package Solution

PBK-RAM-19CC-P212 big
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For select 2019-2024 1500 - Dual 12" 1200W RMS Complete Amplified Subwoofer Bass Package Solution

  • NVX Loaded BOOST Box 2019-2024 Ram 1500 Crew Cab Enclosure
  • Dual 12" 1200W RMS Vented Truck Enclosure with LED Lighting
  • SQ-Series 1200W Peak 12" Dual 4-ohm Subwoofer
  • High-Performance 600W RMS Shallow-Mount Design
  • Complete Bass Package for 5th Generation Ram Trucks
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List price $2473.96
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  • NVX Loaded BOOST Box 2019-2024 Ram 1500 Crew Cab Enclosure
  • Dual 12" 1200W RMS Vented Truck Enclosure with LED Lighting
  • SQ-Series 1200W Peak 12" Dual 4-ohm Subwoofer
  • High-Performance 600W RMS Shallow-Mount Design
  • Complete Bass Package for 5th Generation Ram Trucks

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    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.
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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.