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Car Stereo Installation & Accessories

Installing an aftermarket head unit involves more than just choosing a screen; it's about building a bridge between new technology and your vehicle's factory architecture. Without the right installation accessories, a high-end receiver can't provide the seamless look or the integrated functionality your car was designed with. From dash kits that match your interior texture to complex digital interfaces that talk to your vehicle's computer, these components are what make a professional-grade installation possible.

Whether you're looking to retain your steering wheel controls, adapt a proprietary antenna plug, or ensure your new Double-DIN screen sits flush in the dash, we carry a comprehensive selection of gear from industry leaders like Metra, Scosche, PAC, and iDatalink.

Use our FitFinder to find the exact parts required for your specific year, make, and model. It's the most reliable way to ensure your DIY project results in a factory-finished look.

It's a no-brainer. Get your installation gear here.


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Metra 40-KI11 Antenna Adapter

Install a New Car Stereo and Retain Factory Antenna in select 2009-2024 vehicles from Hyundai, Kia

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Install a New Car Stereo and Retain Factory Antenna in select 2009-2024 vehicles from Hyundai, Kia

• Retains vehicle factory antenna for select 2009-2024 vehicles from Hyundai, Kia
• Male Motorola on one end
• Female factory-style antenna connector on one end
• Easy installation
• No cutting or splicing required

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18
List price $16.99
-47% $8.99

In stock

Only 3 Left!

• Retains vehicle factory antenna for select 2009-2024 vehicles from Hyundai, Kia
• Male Motorola on one end
• Female factory-style antenna connector on one end
• Easy installation
• No cutting or splicing required

Axxess AXFD-USB2

Dual USB Port Replacement Panel for 2017-up Vehicles from Ford

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Dual USB Port Replacement Panel for 2017-up Vehicles from Ford

• Dual USB Replacement Panel
• Replace the existing USB panel when installing a new car stereo
• Includes two 26" cables
• Compatible with 2017-up vehicles from Ford

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List price $37.99
-11% $33.99

In stock

• Dual USB Replacement Panel
• Replace the existing USB panel when installing a new car stereo
• Includes two 26" cables
• Compatible with 2017-up vehicles from Ford

Metra 95-5818 Dash Kit

Install a new Double-DIN car stereo in select 1997-2004 vehicles from Ford, Lincoln

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Install a new Double-DIN car stereo in select 1997-2004 vehicles from Ford, Lincoln

• Double-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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48
List price $25.99
-12% $22.99

In stock

• Double-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Metra 99-3010S

Double DIN Stereo Dash Kit and Harness for select 2010-2015 Camaro

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Double DIN Stereo Dash Kit and Harness for select 2010-2015 Camaro

• Single & Double DIN Install Dash Kit
• Compatible with select 2010-2015 Camaro
• Accommodates ISO Single & Double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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14
List price $638.99
-30% $449.99

In stock

• Single & Double DIN Install Dash Kit
• Compatible with select 2010-2015 Camaro
• Accommodates ISO Single & Double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

Stinger SEADASH3B

Round Gauge Mount Stereo Dash Kit (Black)

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Round Gauge Mount Stereo Dash Kit (Black)

• Round Gauge Mount Install Dash Kit
• Accommodates ISO gauge mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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List price $49.00
-55% $22.00

In stock

• Round Gauge Mount Install Dash Kit
• Accommodates ISO gauge mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

Axxess AXUSB-MI2

Factory USB Port Retention Adapter in select 2020-2023 Outlander Sport and Outlander

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Factory USB Port Retention Adapter in select 2020-2023 Outlander Sport and Outlander

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2020-2023 Outlander Sport and Outlander

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List price $32.99
-12% $28.99

In stock

Only 3 Left!

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2020-2023 Outlander Sport and Outlander

Axxess AXUSB-SUB2

Factory USB Port Retention Adapter in select 2015-2025 vehicles from Subaru

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Factory USB Port Retention Adapter in select 2015-2025 vehicles from Subaru

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2015-2025 vehicles from Subaru

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List price $34.99
-11% $30.99

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• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2015-2025 vehicles from Subaru

PAC APA-TOS1

Optional TOSLink Optical Digital Output for AmpPro Modules

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Optional TOSLink Optical Digital Output for AmpPro Modules

• Fiber optic audio add-on module for PAC AmpPRO interfaces
• Quick installation with any AmpPRO interface
• Provides digital fiber optic variable signal output
• Compatible with TOSLINK-equipped digital signal processors or amps
• Digital audio signals are less vulnerable to noise and interference

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2
List price $119.00
-51% $57.99

In stock

• Fiber optic audio add-on module for PAC AmpPRO interfaces
• Quick installation with any AmpPRO interface
• Provides digital fiber optic variable signal output
• Compatible with TOSLINK-equipped digital signal processors or amps
• Digital audio signals are less vulnerable to noise and interference

Metra 70-5602

Amplifier Bypass Harness for Select 1986-2001 Ford Vehicles

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Amplifier Bypass Harness for Select 1986-2001 Ford Vehicles

• Amplifier Bypass Harness for Select 1986-2001 Ford Vehicles
• Eliminates splicing when using Metra 70-5513 in Ford premium sound systems

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List price $54.99
-11% $48.99

In stock

• Amplifier Bypass Harness for Select 1986-2001 Ford Vehicles
• Eliminates splicing when using Metra 70-5513 in Ford premium sound systems

Metra 40-NI10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1987-2012 vehicles from Nissan, Infiniti

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Connect your factory antenna to a new aftermarket radio for select 1987-2012 vehicles from Nissan, Infiniti

• Factory Antenna to Aftermarket Radio Adapter
• select 1987-2012 vehicles from Nissan, Infiniti Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Retains diversity functions

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List price $13.99
-21% $10.99

In stock

• Factory Antenna to Aftermarket Radio Adapter
• select 1987-2012 vehicles from Nissan, Infiniti Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Retains diversity functions

Metra 99-9999

ISO Trim Ring will Finish off a Double DIN Radio Installation

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ISO Trim Ring will Finish off a Double DIN Radio Installation

• For Finishing Off a Double DIN Radio Installation
• Can Also Finish off Two ISO Stacked Radios
• Trim Ring is Scored on Back for Easy Trimming
• Compatible with [[!afgShortRange]

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List price $31.99
-13% $27.99

In stock

Only 3 Left!

• For Finishing Off a Double DIN Radio Installation
• Can Also Finish off Two ISO Stacked Radios
• Trim Ring is Scored on Back for Easy Trimming
• Compatible with [[!afgShortRange]

iDataLink Maestro ACC-USB-TO3 USB Adapter

Connect Factory USB Port to Aftermarket Car Stereo in select 2018-2025 vehicles from Toyota

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Connect Factory USB Port to Aftermarket Car Stereo in select 2018-2025 vehicles from Toyota

• USB adapter for select 2018-2025 vehicles from Toyota
• Retains vehicle's factory USB port
• Connects factory USB port on aftermarket stereos

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1
List price $25.99
-23% $19.99

In stock

• USB adapter for select 2018-2025 vehicles from Toyota
• Retains vehicle's factory USB port
• Connects factory USB port on aftermarket stereos

Metra 44-SIXM

Ultra-Low Profile SIRIUSXM Satellite Radio Antenna with Adhesive/Magnet Mount

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Ultra-Low Profile SIRIUSXM Satellite Radio Antenna with Adhesive/Magnet Mount

• Low-profile, XM Satellite Radio Antenna
• Small design for easy installation
• Shock and vibration proof
• Cable length: 23 ft.

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1
$49.99

In stock

Only 2 Left!

• Low-profile, XM Satellite Radio Antenna
• Small design for easy installation
• Shock and vibration proof
• Cable length: 23 ft.

Fusion MS-ARX70B

Wireless marine stereo remote (Black)

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Wireless marine stereo remote (Black)

• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in White

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$69.99

In stock

Only 2 Left!

• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in White

Metra 44-UL09 Antenna

Universal Retractable Top-Mount Antenna

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Universal Retractable Top-Mount Antenna

• Retractable Top Mount Retractable Antenna
• 31" 4-Section Retractable Mast

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7
List price $44.99
-44% $24.99

In stock

Only 3 Left!

• Retractable Top Mount Retractable Antenna
• 31" 4-Section Retractable Mast

Metra 108-UN02 Dash Kit

Install a new Double-DIN car stereo (Black)

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Install a new Double-DIN car stereo (Black)

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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List price $103.99
-11% $92.99

In stock

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Metra 70-8113 Wiring Harness

Install a New Car Stereo and Retain Factory Amplifier in select 1999-2007 vehicles from Toyota, Lexus

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Install a New Car Stereo and Retain Factory Amplifier in select 1999-2007 vehicles from Toyota, Lexus

• Wiring harness for select 1999-2007 vehicles from Toyota, Lexus
• Retains factory analog amplifier and speakers
• Plugs into the car's stereo connectors on one side
• Color-coded wires, no wire cutting needed

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List price $13.99
-29% $9.99

In stock

• Wiring harness for select 1999-2007 vehicles from Toyota, Lexus
• Retains factory analog amplifier and speakers
• Plugs into the car's stereo connectors on one side
• Color-coded wires, no wire cutting needed

Axxess AXABH-LX2

Amplifier Bypass Harness for select 2006-2009 vehicles from Lexus

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Amplifier Bypass Harness for select 2006-2009 vehicles from Lexus

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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List price $33.99
-12% $29.99

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Only 2 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 44-CR72 Antenna

Replacement Antenna for Select Jeep Commanche, Cherokee, Wagoneer Vehicles 1985-1996

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Replacement Antenna for Select Jeep Commanche, Cherokee, Wagoneer Vehicles 1985-1996

• Replacement Antenna for Select Jeep Vehicles
• 31" Removable Mast
• For Select Jeep Vehicles

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List price $56.99
-39% $34.99

In stock

• Replacement Antenna for Select Jeep Vehicles
• 31" Removable Mast
• For Select Jeep Vehicles

Metra 70-7002

Power and Amplifier Bypass Harness for select 1992-2005 vehicles from Mitsubishi, Dodge with Amplified Infinity Sound System

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Power and Amplifier Bypass Harness for select 1992-2005 vehicles from Mitsubishi, Dodge with Amplified Infinity Sound System

• Amplifier bypass harness for select 1992-2005 vehicles from Mitsubishi, Dodge
• Designed for vehicles with amplified Infinity sound system
• 15 ft. amplifier bypass harness with 18-pin connector
• Also includes 7" power harness with 16-pin connector
• Color coded wires with printed labels for easy installation

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List price $56.99
-11% $50.99

In stock

Only 3 Left!

• Amplifier bypass harness for select 1992-2005 vehicles from Mitsubishi, Dodge
• Designed for vehicles with amplified Infinity sound system
• 15 ft. amplifier bypass harness with 18-pin connector
• Also includes 7" power harness with 16-pin connector
• Color coded wires with printed labels for easy installation

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    FAQ Frequently asked questions in Car Stereo Installation & Accessories


    In most modern vehicles, the factory radio is part of a larger, integrated dash panel rather than a standardized rectangular box. A vehicle-specific dash kit provides the necessary brackets and trim pieces to adapt the universal ISO-mount of an aftermarket stereo to the unique shape and mounting points of your dashboard.

    Choosing the right Car Stereo Installation & Accessories begins with understanding your vehicle's make, model, and year. This information helps you select compatible wiring harnesses and mounting kits. Next, consider your audio preferences. If you're looking to upgrade your car's sound system significantly, opt for an amplifier installation kit that matches your amplifier's power requirements.Additionally, check the head unit's compatibility with your smartphone and other devices.

    Features like Bluetooth connectivity, Apple CarPlay, or Android Auto can greatly enhance your driving experience. Ensure that the accessories you choose align with your car audio goals, whether it's improved sound quality, convenience, or connectivity.

    Not if you use a Steering Wheel Control (SWC) interface. These modules translate the signals from your factory buttons into a language your new stereo understands. Many modern integration harnesses, like the iDatalink Maestro, include this functionality along with the ability to display engine data and tire pressure on your new screen.
    We strongly recommend using a wiring harness. Cutting factory wires is permanent, increases the risk of short circuits, and can void your vehicle's electrical warranty. A harness allows you to do all your soldering or crimping on the bench, then simply plug the new assembly into the factory connector without damaging the car's original wiring.

    Safety is paramount during Car Stereo Installation & Accessories installation. Start by disconnecting the car's battery to avoid electrical accidents. When handling wiring and electrical connections, follow proper insulation techniques to prevent short circuits or fires. Secure all cables and wires away from moving parts like steering columns and pedals.

    During the installation of amplifiers and subwoofers, ensure that they are securely mounted to prevent movement while driving. Avoid drilling into gas tanks, brake lines, or other sensitive areas when installing components. It's also a good practice to have a fire extinguisher and a first aid kit on hand in case of emergencies.

    All About

    Car Stereo Installation & Accessories

    Navigating the hardware required for a radio swap can be confusing. To get the job done right the first time, it's helpful to understand the specific role each accessory plays in the signal chain and the physical assembly.

    Dash Kits: The Cosmetic Foundation

    The dash kit is what ensures your new stereo doesn't look like an afterthought. These kits are engineered to match the exact color, texture, and contour of your factory dash.

    • Single-DIN Kits: Feature a 2-inch tall opening, often including a storage pocket to fill the extra space.
    • Double-DIN Kits: Feature a 4-inch tall opening designed for large touchscreens and multimedia receivers.
    • Multi-Kits: Versatile designs that can be configured for either size depending on your hardware choice.

    Wiring Harnesses and Data Interfaces

    The wiring harness is the electrical nervous system of your install.

    • Standard Harnesses: Provide basic power, ground, and speaker connections for older vehicles.
    • Data Interfaces: Required for modern vehicles with CAN-bus systems. These modules "talk" to the car’s computer to provide a 12V switched power source (which many new cars lack at the radio) and retain safety features like door chimes, OnStar, or factory amplifiers.

    Steering Wheel and Camera Retention

    Convenience and safety shouldn't be sacrificed for better sound. Dedicated interfaces allow you to keep your hands on the wheel and your eyes on the screen when reversing. If your vehicle has a factory backup camera, a camera retention adapter allows you to feed that video signal directly into your new touchscreen's RCA input.

    Professional Installation Tools

    Using the wrong tools can lead to cracked plastic or scratched leather. A set of nylon trim removal tools is essential for prying off dash panels without leaving permanent pry marks. Additionally, we recommend high-quality crimp connectors or heat-shrink tubing to ensure your electrical connections remain stable through years of vehicle vibration.

    The Sonic Electronix Advantage

    We take the guesswork out of the DIY process. When you use our vehicle selector, we don't just show you parts that "might" work; we curate a list of accessories verified to fit your specific cabin. As an Authorized Online Retailer for reputable brands, every interface and kit we sell is backed by full technical support to help you through the trickiest parts of your installation.

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    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!
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    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
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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
    • 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.