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Car System Kits

Upgrade your driving experience with our comprehensive selection of car system kits. Whether you're looking to enhance your vehicle's audio capabilities, integrate advanced navigation tools, or add seamless connectivity options, these kits provide everything you need for a superior in-car environment. Discover the perfect solution to transform your car into a modern, tech-savvy space that caters to all your entertainment and convenience needs. Explore our range of car system kits and find the ideal match for your vehicle today.

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  1. Stinger - 4000 Series 10GA Complete Amplifier Wiring Kit for Car Audio Systems up to 300W/30A - Red

    SKU: J2VK4TF66R

    Wiring kit stinger...Wiring kit was very helpful for the installation that best buy installer did...The product was the perfect fit for my subwoofer and amp installment to my car! i needed an aftermarket...

    Product Description

    A red 10-gauge amplifier wiring kit with corrosion-resistant tinned conductors and water-resistant fuse holder.
    See all Amp Wiring Kits
    Your price for this item is $63.99

  2. Stinger - 6000 Series 1/0GA Power Amplifier Wiring Kit for Car Audio Systems up to 4000W/300A - Blue

    SKU: J2VK4TF6ST

    Product Description

    A blue wiring kit with oxygen-free copper and tinned conductors ensures reliable, corrosion-resistant car audio power.
    See all Amp Accessories & Installation Parts
    Your price for this item is $209.99

  3. Stinger - 4000 Series 8GA Power Amplifier Wiring Kit for Car Audio Systems up to 600W/60A - Red

    SKU: J2VK4TF695

    Amplifier kit

    Product Description

    A red wiring kit with oxygen-free copper and tin-plated conductors for car audio systems up to 600W.
    See all Amp Accessories & Installation Parts
    Your price for this item is $89.99

  4. Stinger - 4000 Series 8GA Complete Amplifier Wiring Kit for Car Audio Systems up to 600W/60A - Red

    SKU: J2VK4TF6S2

    Best Buy looked up my amp and sub setup and recommended this kit for me.

    Product Description

    A red 8-gauge amplifier wiring kit featuring oxygen-free copper wires for optimal power transfer and corrosion resistance.
    See all Amp Wiring Kits
    Your price for this item is $69.99

  5. Stinger - 6000 Series 8GA Complete Amplifier Wiring Kit for Car Audio Systems up to 800W/70A - Blue

    SKU: J2VK4TF69Q

    Product Description

    A blue 8GA amplifier wiring kit with oxygen-free copper cables, supporting car audio systems up to 800W.
    See all Amp Wiring Kits
    Your price for this item is $189.99

  6. Metra - Dash Kit for Select 2003-2007 Cadillac CTS DIN DDIN - Gray

    SKU: J7RX7LQPXK

    Product Description

    A gray dash kit enabling easy aftermarket radio installation with an interchangeable recessed DIN opening design.
    See all Deck Harnesses
    Your price for this item is $25.99
    Save $29
    The previous price was $54.99

  7. Metra - Dash Kit for Select 2003-2007 Cadillac CTS DIN DDIN - Black

    SKU: J7RX7LQLPF

    I just love how very thing just fits perfect in my car...You have to buy the dash kit if you want your stereo to work.

    Product Description

    A durable black ABS plastic kit designed for easy aftermarket stereo installation in select Cadillac vehicles.
    See all Deck Harnesses
    Your price for this item is $29.99
    Save $25
    The previous price was $54.99

  8. Metra - Dash Kit for Select 2010-2014 Ford Mustang Vehicles - Matte Charcoal Black

    SKU: J7RX7Y37ZY

    Product Description

    A matte charcoal black ABS plastic kit enabling seamless stereo upgrades in select 2010-2014 Ford Mustang models.
    See all Dash Installation Kits
    Your price for this item is $649.99

  9. Metra - Dash Kit for Select 2001-2013 Audi A4 DIN - Black

    SKU: J7RX7L6W3L

    Product Description

    A black recessed DIN mount kit enabling secure aftermarket radio installation in select Audi A3/A4 dashboards.
    See all Deck Harnesses
    Your price for this item is $17.99

  10. Metra - Dash Kit for Select 2007-2009 Mazda CX-7 DIN DDIN - Black

    SKU: J7RX7LTCX2

    Product Description

    A black dash kit enabling easy installation of an aftermarket stereo in select 2007-2009 Mazda CX-7 vehicles.
    See all Deck Harnesses
    Your price for this item is $24.99
    Save $30
    The previous price was $54.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.