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2018 Ford Flex

Change vehicle | Remove vehicle
Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Add Remote Start Dads & Grads Sale

Find car audio that fits your 2018 Ford Flex

Find car audio, stereo and speakers guaranteed to fit your 2018 Ford Flex. As an added bonus, most stereos include a free or discounted dash kit, wiring harness and antenna adapter and many speakers included discounted adapters and quick-disconnect harnesses to avoid cutting wires.

Ford Flex Stereos & Install Accessories

Stereos & Install Accessories

Upgrade your OEM factory radio with an aftermarket stereo receiver that has all the latest technologies.

Various Car Speakers that Fit

Speakers & Speaker Installation

Shop for vehicle car speakers that fit all of the locations in your 2018 Flex.

Subwoofer that fits 2018 Ford Flex

Subwoofers and Boxes

Find the best sub for your 2018 Flex and you'll add bass and fuller sound to your Ford.

Amplifiers and Amp Accessories

Amplifier and Amp Accessories

Amplifiers and amp accessories for your Flex like bypass harnesses, DSPs and line output converters needed to add an amp.

Digital Sound Processors

Digital Sound Processors

Add a DSP to bring advanced sound controls and get the most from your Flex stereo.

Audio installation and accessories

Audio Installation & Accessories

Install car audio in your 2018 Flex and make sure to get the parts and accessories that fit.

Backup Rearview Cameras for 2018 Ford Flex

Backup Cameras

Park with ease and drive safer with a back-up camera for your 2018 Flex.

Ford Flex Plug-n-Play Remote Start

Plug-n-Play Remote Start

Simple DIY install to get vehicle/car remote starter warming up in the winter or cooling your car in summer.

Dads & Grads Sale

Dads & Grads Sale

Dads & Grads Sale! Huge Discounts up to 40% off Car / Marine / ATV Audio

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Metra 72-5601

Install New Speakers in select 1998-2024 vehicles from Ford, Lincoln, Mercury

7
-10.01%

$8.99

List price $9.99

Add to cart
FRING68 main

NVX FRING68

Universal 6x8" or 5x7" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

12
-46.68%

$15.99

List price $29.99

Add to cart
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Cerwin Vega H7683

720W Peak (120W RMS) 6x8" HED Series 3-Way Coaxial 4-ohm Speakers

50
-16.67%

$79.99

List price $95.99

Add to cart
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Kicker KSC35 (51KSC3504)

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

4
-11.11%

$79.99

List price $89.99

Add to cart
Limited time!
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JL Audio C2-350x

50W RMS 3.5” C2 Series 2 Way Coaxial 4-ohm Car Speakers

15
-15.63%

$134.99

List price $159.99

Add to cart
Limited time!
REF687F main

Infinity REF687F (INFSPKRF687FUS)

360W Peak (120W RMS) 6x8" Reference Series 2-Way Coaxial 3-ohm Speakers

1
-35.01%

$103.95

List price $159.95

Add to cart
Limited time!
CST20 main

Kicker CST204 (46CST204)

200W Peak (100W RMS) 3/4” CS Series 4-ohm Titanium Dome Tweeters

21
-30.04%

$55.96

List price $79.99

Add to cart
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NVX UNIFRING

Universal Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 6)

5
-16.65%

$29.99

List price $35.98

Add to cart

Shop all 2018 Ford Flex Car Audio, Speakers, & Electronics

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Stereo wiring harnesses and interfaces,
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Price Range
Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Additional Harness Features
The various features that the wiring harness provides to your car stereo and/or audio system.
On-Star Compatible
This means that the harness is compatible with vehicles that have On-Star built-in.
CAN-BUS Compatible
CANBUS Ballasts ensure compatibility with ALL vehicle makes and models without the need for additional accessories. In addition, they have built-in Anti-Flickering Capacitors to help prevent lighting issues caused by voltage spikes and drops by stabilizing the power.
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Crux SWRFD-60E Wiring Interface

Install new car stereo and retain steering wheel audio controls and other factory features in select 2011-2019 vehicles from Ford

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Crux SWRFD-60E Wiring Interface

Install new car stereo and retain steering wheel audio controls and other factory features in select 2011-2019 vehicles from Ford

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required

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found car based on your search
Fits your Flex
List price $189.00
-36% $121.50

In stock

Add to Cart

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required

Axxess AXRSC Wiring Interface

Install a New Car Stereo and Retain Steering Wheel Audio Controls and Backup Camera and Other Factory Features in select 2008-2024 vehicles from Ford, GMC, Chevrolet

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Axxess AXRSC Wiring Interface

Install a New Car Stereo and Retain Steering Wheel Audio Controls and Backup Camera and Other Factory Features in select 2008-2024 vehicles from Ford, GMC, Chevrolet

• Direct connection to the factory harness
• Compatible with select 2008-2024 vehicles from Ford, GMC, Chevrolet
• Designed for amplified or non-amplified systems
• Designed for select aftermarket stereos
• Retains R.A.P., SWC audio controls, safety chimes, backup camera
• Provides accessory power and NAV outputs
• Color coded wires for easy installation
• No major cutting or splicing required

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

VIP Product Get $20.00 in rewards to spend later

found car based on your search
Fits your Flex
List price $222.99
-10% $199.99

In stock

Only 3 Left!

Add to Cart

• Direct connection to the factory harness
• Compatible with select 2008-2024 vehicles from Ford, GMC, Chevrolet
• Designed for amplified or non-amplified systems
• Designed for select aftermarket stereos
• Retains R.A.P., SWC audio controls, safety chimes, backup camera
• Provides accessory power and NAV outputs
• Color coded wires for easy installation
• No major cutting or splicing required

 
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    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.
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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.

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