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Car Stereo Installation & Accessories for your 2012 Legacy

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-LX11

Connect your factory antenna to a new aftermarket radio for select 2006-2025 vehicles from Toyota, Subaru, Lexus

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Connect your factory antenna to a new aftermarket radio for select 2006-2025 vehicles from Toyota, Subaru, Lexus

• Antenna adapter for select 2006-2025 vehicles from Toyota, Subaru, Lexus
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Molex connector on other end

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Fits your Legacy
35
List price $17.99
-17% $14.99

In stock

• Antenna adapter for select 2006-2025 vehicles from Toyota, Subaru, Lexus
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Molex connector on other end

Crux SWR-A

Steering Wheel Control Retention Interface for Analog SWC

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Steering Wheel Control Retention Interface for Analog SWC

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

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1
List price $90.30
-36% $58.05

In stock

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

Metra 70-7552 Wiring Harness

Install a new car stereo in select 2007-2024 vehicles from Nissan, Subaru, Suzuki

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Install a new car stereo in select 2007-2024 vehicles from Nissan, Subaru, Suzuki

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

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Fits your Legacy
34
List price $12.99
-15% $10.99

In stock

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

Metra 40-SB10

Antenna Adapter for select 2005-2025 vehicles from Subaru

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Antenna Adapter for select 2005-2025 vehicles from Subaru

• Antenna adapter
• For select 2005-2025 vehicles from Subaru
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Subaru-style antenna connector on the other end

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Fits your Legacy
7
List price $14.99
-27% $10.99

In stock

• Antenna adapter
• For select 2005-2025 vehicles from Subaru
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Subaru-style antenna connector on the other end

Metra 40-NI11 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from Subaru, Nissan

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Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from Subaru, Nissan

• Factory Antenna Adapter to Aftermarket Radio Adapter
• select 1998-2025 vehicles from Subaru, Nissan Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Disables diversity functions

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4
List price $13.99
-7% $12.99

In stock

Only 2 Left!

• Factory Antenna Adapter to Aftermarket Radio Adapter
• select 1998-2025 vehicles from Subaru, Nissan Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Disables diversity functions

iDataLink ADS-MIC1

Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)

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Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)

• Factory microphone retention interface module
• Retains the factory microphone when adding an aftermarket stereo
• Compatible with select 2010-2024 vehicles from Ford, Subaru, Toyota

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1
List price $99.99
-20% $79.99

In stock

• Factory microphone retention interface module
• Retains the factory microphone when adding an aftermarket stereo
• Compatible with select 2010-2024 vehicles from Ford, Subaru, Toyota

Metra 40-SB10-18 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2010-2012 Legacy and Outback

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Connect your factory antenna to a new aftermarket radio for select 2010-2012 Legacy and Outback

• Antenna adapter for select 2010-2012 Legacy and Outback Vehicles

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List price $46.99
-45% $25.99

In stock

• Antenna adapter for select 2010-2012 Legacy and Outback Vehicles

Scosche NN04B Wiring Harness

Install a new car stereo in select 2007-2019 vehicles from Nissan, Subaru, Chevrolet

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Install a new car stereo in select 2007-2019 vehicles from Nissan, Subaru, Chevrolet

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

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List price $8.95
-11% $7.95

In stock

Only 2 Left!

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

Axxess AX-TOY28SWC

Steering Wheel Control (SWC) Retention Harness with RCA Aux-In Connectors for select 2006-2025 vehicles from Nissan, Toyota, Subaru

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Steering Wheel Control (SWC) Retention Harness with RCA Aux-In Connectors for select 2006-2025 vehicles from Nissan, Toyota, Subaru

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

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Fits your Legacy
3
List price $14.99
-13% $12.99

In stock

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

Axxess AXSWCH-T28 Wiring Harness

Install a new car stereo and retain factory amplifier in select 2011-2025 vehicles from Toyota, Subaru, Lexus

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Install a new car stereo and retain factory amplifier in select 2011-2025 vehicles from Toyota, Subaru, Lexus

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-wired for ASWC-1 (Sold separately)

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3
List price $15.99
-13% $13.99

In stock

Only 3 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-wired for ASWC-1 (Sold separately)

PAC USB-SB1

OEM USB Port Retention Cable for Select Subaru Vehicles

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OEM USB Port Retention Cable for Select Subaru Vehicles

• OEM USB Port
• Plug and Play
• Retains the Factory USB Port when Installing New Radio
• For Select Subaru Vehicles

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List price $16.00
-25% $11.99

Available

Ships in 10-14 days

• OEM USB Port
• Plug and Play
• Retains the Factory USB Port when Installing New Radio
• For Select Subaru Vehicles

PAC SU6

Install a New Car Stereo and Retain the Factory Antenna in select 2005-2014 vehicles from Subaru

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Install a New Car Stereo and Retain the Factory Antenna in select 2005-2014 vehicles from Subaru

• Antenna adapter for aftermarket stereos
• Compatible with select 2005-2014 vehicles from Subaru
• Retains the factory antenna
• Plugs into the factory harness

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Fits your Legacy
List price $24.00
-58% $10.00

In stock

• Antenna adapter for aftermarket stereos
• Compatible with select 2005-2014 vehicles from Subaru
• Retains the factory antenna
• Plugs into the factory harness

Metra 95-8903S Dash Kit

Install a new Double-DIN car stereo in select 2010-2014 Outback and Legacy (Silver)

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Install a new Double-DIN car stereo in select 2010-2014 Outback and Legacy (Silver)

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

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Fits select models only.
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4
List price $38.99
-41% $22.99

In stock

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

Metra 95-8903B Dash Kit

Install a new Double-DIN car stereo in select 2010-2014 Outback and Legacy (Matte Black)

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Install a new Double-DIN car stereo in select 2010-2014 Outback and Legacy (Matte Black)

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

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Fits select models only.
Add details to confirm fitment.
3
List price $36.99
-57% $15.99

Available

Ships in 10-14 days

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

iDataLink Maestro HRN-HRR-SU2 Wiring harness

Install a New Car Stereo in select 2012-2021 vehicles from Subaru, Toyota (Requires ADS-MRR or ADS-MRR2 Module)

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Install a New Car Stereo in select 2012-2021 vehicles from Subaru, Toyota (Requires ADS-MRR or ADS-MRR2 Module)

• Fits select 2012-2021 vehicles from Subaru, Toyota
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs

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Fits your Legacy
List price $109.99
-27% $79.99

In stock

• Fits select 2012-2021 vehicles from Subaru, Toyota
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs

Metra 95-8904B Dash Kit

Install a new Double-DIN car stereo in select 2010-2014 Legacy and Outback (Matte Black)

95-8904B big
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Install a new Double-DIN car stereo in select 2010-2014 Legacy and Outback (Matte Black)

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

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Fits select models only.
Add details to confirm fitment.
List price $37.99
-47% $19.99

In stock

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

Metra 99-8910S Dash Kit

Install a new Single-DIN car stereo in select 2010-2012 Legacy and Outback

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Install a new Single-DIN car stereo in select 2010-2012 Legacy and Outback

• Single-DIN Dash Kit
• Painted scratch-resistant silver
• High-Grade ABS plastic construction
• Includes installation instructions
• Compatible with select 2010-2012 Legacy and Outback Vehicles

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Fits select models only.
Add details to confirm fitment.
List price $91.99
-46% $49.95

Available

Ships in 10-14 days

• Single-DIN Dash Kit
• Painted scratch-resistant silver
• High-Grade ABS plastic construction
• Includes installation instructions
• Compatible with select 2010-2012 Legacy and Outback Vehicles

Metra 95-8910S Dash Kit

Install a new Double-DIN car stereo in select 2010-2012 Legacy and Outback

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Install a new Double-DIN car stereo in select 2010-2012 Legacy and Outback

• Double-DIN Dash Kit
• Painted scratch-resistant silver
• Includes a pocket to replace the factory radio controls
• ISO DDIN radio provision
• Painted silver
• Compatible with select 2010-2012 Legacy and Outback Vehicles

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Add details to confirm fitment.
List price $74.99
-11% $66.99

In stock

Only 2 Left!

• Double-DIN Dash Kit
• Painted scratch-resistant silver
• Includes a pocket to replace the factory radio controls
• ISO DDIN radio provision
• Painted silver
• Compatible with select 2010-2012 Legacy and Outback Vehicles

Metra 70-8902 Wiring Harness

Install a new car stereo and retain factory amplifier in select 2012-2014 Legacy and Outback

70-8902 big
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Install a new car stereo and retain factory amplifier in select 2012-2014 Legacy and Outback

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Works with Harmon Kardon Amplified Systems
• Pre-Wired for ASWC-1 (Sold separately)

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Add details to confirm fitment.
List price $31.99
-38% $19.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Works with Harmon Kardon Amplified Systems
• Pre-Wired for ASWC-1 (Sold separately)

iDataLink Maestro HRN-HRR-SU1 Wiring Harness

Install a New Car Stereo in select 2008-2015 vehicles from Subaru (Maestro RR or RR2 Required)

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Install a New Car Stereo in select 2008-2015 vehicles from Subaru (Maestro RR or RR2 Required)

• Stereo replacement T-harness for select 2008-2015 vehicles from Subaru
• For use with Maestro RR or RR2 module
• Retains select important factory features
• Plug and play connection, no cutting required

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Fits your Legacy
List price $129.99
-31% $89.99

In stock

• Stereo replacement T-harness for select 2008-2015 vehicles from Subaru
• For use with Maestro RR or RR2 module
• Retains select important factory features
• Plug and play connection, no cutting required

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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.

    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!
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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.