Top 5 Underglow Kits: Brightest & Easiest Install

Ever see a car glide by at night, glowing with cool colors underneath? It looks amazing, right? That awesome light show comes from an underglow kit. But trying to pick the perfect one can feel like a maze. You see so many brands, colors, and types of lights, and you wonder which one will actually look good and last long on your ride.

Choosing the wrong kit can lead to dim lights, complicated installation, or colors that fade fast. Nobody wants that! This guide is here to cut through the confusion. We will break down exactly what you need to look for in an underglow kit so you can stop guessing and start dreaming about your car lighting up the street.

Keep reading to learn the secrets to picking the best underglow for your vehicle and budget. Let’s dive into making your car shine!

Top Underglow Kit Recommendations

Bestseller No. 1

Nilight 4Pcs Car Underglow Neon Accent Strip Lights 252 LEDs RGB 8 Color Sound Active Function Music Mode with Wireless Remote Control Underbody Light Strips for Cars Van SUV Truck

Ultra Brightness LED: This car underglow strip lights adopt 252pcs SMD 5050 LED chips. 3 In 1 RGB Chips makes light output brighter and more uniform. Enhance the look of your car and enhance the feel of your driving experience.
Multiple Modes: The car underglow strip light kit has 8 static lighting modes, 2 preset Jump and 2 preset fading patterns, 4 sound active modes and even more for you to explore. Unique sound active modes enhance your driving satisfaction. Just turn on the music, the LED Chips will dance and flash with the music. Various modes can be switched at will, give you an amazing visual and auditory experience.
IP 68 Waterproof & Strong adhesive: IP68 waterproof, protect the LED strips to work well. In addition, strong adhesive and cable ties ensure stable installation. Even driving through lots of rain, highway speeds, potholes, the LED strips can still stay on and work great. Please clean down the dust, oil, and water before installing, the adsorption force will be stronger.
Easy Installation: You can power the RGB strip lights by the 12V cigarette lighter or by the fused positive and negative power cable. The strong adhesive tap and mounting hardware (screws, snaps and zip ties) can keep the light strips from falling off. Ensure it to be installed stably. The neon underglow kit fit for any 12V automotive cars, trucks, RVs, SUVs, Campers etc. And it can also be used in a variety of interior & exterior applications of the cars.
Package Includes: 4 PCS LED light strips, Remote Controller, Control Box, Cigarette lighter plug, Fused Power Cable, Mounting Hardware(screws, clips and zip ties), Extension cord, 2 replacement fuse.

Bestseller No. 2

Govee Underglow Car Lights, 4pcs RGBIC Smart LED Lights for Cars with 16 Million Colors and 10 Scene Modes, App Control, Neon Accent Strip Lights for SUVs, Trucks, DC 12-24V

RGBIC Lighting Effects: Enjoy over 16 million vibrant colors with DIY picking. The Govee Home APP captures colors from your favorite photos and applies them to your car underglow lights, along with a variety of scene modes.
Sync Your Music: A mic on phone sync music to your neon accent car lights with ease. Choose from Soft or Dynamic mode and watch lights dance to the beat of your favorite songs, helping you drive in style.
Smart App Control: Through Govee Home APP, you can control the exterior car lights strip at any time. The stable app system and its variety of functions will ensure a smooth operation when using the lights daily.
Simple Installation: With a total length of 2x(2.9ft+3.9ft), the 2-line design and long wires make it simple to install LED lights in your car. For added security, reinforce the lights using the provided adhesives, clips, and screws.
Safe to Use: Govee car lights equipped with a durable waterproof sleeve that protects them from road debris and rain can install with flexibility in various cars like SUVs and trucks. Plase use it within temperature range of -20°C to 80°C.

SaleBestseller No. 3

Car Underglow Lights, Bluetooth Dream Color Chasing StripLights Kit, 6 PCS Waterproof Exterior Car Lights with APP Control, 12V 300 LEDs Underbody Lights for All Cars

【 Addressable LED Strip & Chasing Effect 】 ----- ①Special design by adding IC in strip lights, you can control a variety of Colors, Brightness and Chasing Speed as you want. ②Built-in 120 Kinds of Color Chasing Modes looks like recurrently chasing, skipping, dancing, twinkling on the strip, give you an amazing visual experience. ③You also can Mark Your Favorite Chasing Effect and only display the effect you mark. ④If you don’t want the chasing mode, you can DIY a Static Color for lighting.
When installing, if the light strip line is close to high-temperature components such as exhaust pipes and engines, remember to use high-temperature resistant sleeves; Be careful not to connect the positive and negative poles in reverse: when wiring, connect the arrow to the arrow, connect the positive pole of the wire to the fog lamp, and connect the negative pole to the battery;
Confirm that the voltage input for the connection is 12V 5A; Avoid prolonged use (especially after turning off the engine); It is recommended to temporarily close the light strip in rainstorm days; When installing, if the light strip line is close to high-temperature components such as exhaust pipes and engines, remember to use high-temperature resistant sleeves; Be careful not to connect the positive and negative poles in reverse: when wiring, connect the arrow to the arrow, connect the positive pole of the wire to the fog lamp, and connect the negative pole to the battery;
Regular inspection: Check for water ingress and aging of the light strip, and check for abnormal temperature when touching the light strip after parking at night.
Car Underglow Strip Lights perfect application for all Cars, SUV, Jeep, Truck Decoration, etc. Low-power Design Neon Lights Strip : This Car Atmosphere Lights Kit designed to be simple, also provides elegance outside the car when driving at night or enjoying music.Using for lighting up the entire under car, Enhances the Look and Feel of your Vehicle with Brilliant Eye-Catching Lighting Effects. It uses LED as light source energy saving，great power savers so you don't worry energy consumption.

Bestseller No. 4

Nilight 4Pcs Car Underglow Neon Accent Strip Lights 256 LEDs RGBIC Multi Color DIY Sound Active Function Music Mode with APP Control and Remote Control Underbody Light Strips, 2 Years Warranty

Ultra Brightness LED: This car underglow strip lights adopt 256pcs SMD 5050 LED chips. Output brighter and more uniform. RGBIC Chips perfectly present the chase effect. Enhance the look of your car and enhance the feel of your driving experience.
APP & Remote Control: The app control has 5 functional modes: Multi-color-DIY ; Music Mode; Rhythm; Function Mode Option; Timing Function. It can create custom 16 million colors. The remote control has 4 static lighting modes, preset Jump and preset fading patterns, 8 sound active modes and even more for you to explore. Both app and remote make you select your ideal color.
IP 67 Waterproof & Strong adhesive: IP67 waterproof, protect the LED strips to work well. In addition, strong adhesive and cable ties ensure stable installation. Even driving through lots of rain, highway speeds, potholes, the LED strips can still stay on and work great. Please clean down the dust, oil, and water before installing, the adsorption force will be stronger.
Easy Installation: You can power the strip lights by positive and negative power cable. The strong adhesive tap and mounting hardware (screws, snaps and zip ties) can keep the light strips from falling off. Ensure it to be installed stably. The neon underglow kit fit for any 12V automotive cars, trucks, RVs, SUVs, Campers etc. And it can also be used in a variety of interior & exterior applications of the cars.
Package Includes: 4PCS LED light strips, Remote Controller, Control Box, Mounting Hardware(screws, clips and zip ties), Double Sided Tape, Instruction Manual

Bestseller No. 5

OPT7 Aura Pro Underglow LED Lights Kit for Car with APP & Remote Control, RGB Multicolor Modes, Music Sync, Waterproof Rigid Aluminum Light Bar, Exterior Neon Accent Underbody Lighting Kit

Built to Last: Aura LED light bar is constructed with IP67 waterproof premium-grade aluminum, ensuring protection against corrosion and moisture, surpassing the vulnerability of plastic alternatives. No matter the weather conditions, your car will continue to shine brightly, undeterred by the elements. Includes: 4pcs two-section movable LED bars (2 x 48'' and 2 x 36'') with 252 LEDs 3-in-1 RGB chips.
OPT7 GLOW APP: OPT7 to bring you our exclusive full-featured Bluetooth APP so you can unlock the ultimate customization experience! Download OPT7 GLOW on your smartphone. You can choose between vibrant effects, endless colors, and music-sync modes - have them all at once if you want a party on the road! Compatible with iOS 7+ and Android 4.3+, the app is designed for easy, intuitive control. Scan the QR code found on the package to explore exciting new lighting modes and installation details!
Seamless Dual Control: Discover the premier lighting experience with our dominant OPT7 GLOW APP + Handheld Remote. Customize your ride with unlimited color choices and lighting modes tailored to your mood. From party-ready animated effects to vibe-perfect hues and beats, the OPT7 GLOW APP and remote make every journey unforgettable!
Easy Installation & Portability: Effortlessly set up your underglow LED lights like a breeze! With a secure rigid aluminum light bar, mounting brackets, and tested inline fuse 12v direct power battery harness, your ride gets a safe and pro-level install without the headaches. Optional: Grab the OPT7 Aura Universal Fuse Tap Adapter Set (B0B7QVF6B9) for even greater ease.
1-Year-Warranty: OPT7 will always stand behind you, backed up with the US Customer Support Team, OPT7 is ready to help with all your questions or concerns.

Bestseller No. 6

OPT7 Aura Aluminum Car Underglow Lights with Remote Control, Exterior Neon Accent Under Glow Kit for Cars, Waterproof Rigid Light Bars, Music Soundsync Lighting, RGB Multicolor LED Strip, 12V Decor

[HIGH BRIGHT INTENSITY LED CHIP] 4pcs two-section movable LED bars (2 x 48'' and 2 x 36'') with 252 LEDs, 3-in-1 RGB Chips protected in aluminum casing to ensure durability for long lasting. Rigid aluminum frame light bars and mounting brackets allow better protection and secure installation.
[MULTI-COLOR MODES & FUNCTIONS] Underglow Aluminum Casing LED Bar has 16 colors options with various features! Brightness dimming selections, Single-Color Strobes, Multi-Color Fade, Multi-Color Cycle, and Sound Active modes, LEDs change according to the beat of your music!
[BUILT TOUGH & WATERPROOF] Perfect for Cars, SUVs, Jeep, Vans, Truck and RVs. Able to endure tough dry weather, snow, wet, muddy, you name it! Effortlessly set up your Underglow LED lights with a user-friendly design that requires no complicated installation processes. We include a safe and neat installation with our tested in-line fuse power battery harness which allows a direct battery connection with a protected 12v power pull, so you don't ever need to worry about an overdrawn-on voltage.
[EXCLUSIVE DOOR ASSIST FEATURE] Stand out from the generic, connect it so your door lights up white automatically. To use this feature, you must connect the AUX wire on the control box, check manual for more details!
[1-YEAR-WARRANTY] OPT7 will always stand behind you, backed up with US Customer Support Team, OPT7 is ready to help with customize install or troubleshooting.

Bestseller No. 7

OPT7 Aura Aluminum Underglow LED Lighting Kit for Truck with Remote Control, Exterior Neon Accent Underbody Light Bar, RGB Multicolor Under Car Decorations, Waterproof, Soundsync, Door Assist, 12V

[HIGH BRIGHT INTENSITY LED CHIP] 4pcs two-section movable LED bars (2 x 48'' and 2 x 36'') with 252 LEDs, 3-in-1 RGB Chips protected in silicone casing to ensure durability for long lasting.You can easily mount light bars anywhere w/ updated waterproof pin connection using mounting brackets for secure install.
[MULTI-COLOR MODES & FUNCTIONS] Underglow Aluminum Casing LED Bar has 16 colors options with 5 modes! Once installed, easily select the color and pattern you want with our one feature-rich E-Z Remote: Solid, Single-Color Strobes, Multi-Color Fade, Multi-Color Cycle, and Sound Active modes, LEDs change according to the beat of your music!
[BUILT TOUGH & WATERPROOF] Perfect for your truck, big rigs, pick-ups, semi-trailer, regular cab and crew cab. Able to uphold in toughest dry weather, snow, wet, muddy, you name it! Effortlessly set up your Underglow LED lights with a user-friendly design that requires no complicated installation processes. We include a safe and neat installation with our tested in-line fuse power battery harness which allows a direct battery connection with a protected 12v power pull, so you don't ever need to worry about an overdrawn-on voltage. Be safe, rather than sorry! Optional: Shop the OPT7 Aura Universal Fuse Tap Adapter Set (B0B7QVF6B9).
[EXCLUSIVE DOOR ASSIST FEATURE] Beyond aesthetics, our Door Assist Feature enhances your security. The illuminated entry not only looks impressive, but also serves as a deterrent, adding an extra layer of visibility to your surroundings by lighting up white automatically.
[1-YEAR-WARRANTY] OPT7 will always stand behind you, backed up with US Customer Support. We got your back!

Bestseller No. 8

Smart RGB Car Underglow Kit with App & RF Remote - IP67 Waterproof, 16 Million Color LED Light Strips, Music Sync, Universal Fit for All Cars, Trucks, Vans - 12V DC Exterior Lighting

🚗 Incredible Brightness ：Smart SoundSync LED UnderGlow Light, built-in high Intensity 3 In 1 RGB LED chip，2pcs 72-LED strips and 2pcs 54-LED strips,High Brightness and Low Consumption, lighting up the entire under car, enhances the stylish look your vehicle
🚗 Multiple Modes：Bluetooth APP + 24 key wireless RF remote control, easy to choose multiple modes, music mode, DIY mode, multi-color mode, timing function, adjust the change speed, brightness and stroboscopic speed, meet your all needs.The automotive neon accent light kits is built in sensitive mic, which make it glow and dance to the rhythm of your music in music mode
🚗Waterproof and Durable：Made with strong IP67 waterproof, dust-proof Flexible Rubber Tubing material, the LED Underbody System Light Strips body is well protected that completely sealed to work at any Road Conditions or Rain day. Car Underglow Lights suitable for 12V Cars, SUV, Jeep, Vans, Trucks decoration. Idea for under wheel arches, around the front grille, under foot-wells, in the trunk, along the dash
🚗 Easy Installation: Car Underglow Light strips with strong self-adhesive tape that can be simply peeled off and pasted on any smooth surface. Use the cable ties to fix the light strip. Soft and flexible tubing, can be arbitrarily bent
🚗 Package and Warranty: 4 Pcs Car Led Lights (2 * 47.2in+ 2 * 35.4in ) + 1 Bluetooth Controller + 1 Cigarette Power Adapter + 1 RF Remote Controler + 1 bag of mounting clips + 1 User Manual. ★ Our Car underglow kit comes with 【6 months Warranty & 30 Days Money Back】and life long technical support. Any questions, click "Yielinth-Ask a question" to send an email to us, we will help you within 24 hours.

Choosing Your Glow: The Ultimate Underglow Kit Buying Guide

Adding underglow lighting to your vehicle is a fun way to make it stand out. These colorful lights shine underneath your car, creating a cool, floating effect. But buying the right kit takes a little know-how. Use this guide to pick the best lights for your ride.

Key Features to Look For

When shopping, certain features make a big difference in how good your underglow looks and how long it lasts.

1. Light Source Type

LEDs (Light Emitting Diodes): Almost all good kits use LEDs today. They use very little power, shine brightly, and last a very long time. Look for high-quality LED strips.

2. Color Options and Control

RGB vs. Single Color: RGB kits let you choose millions of colors. Single-color kits only offer one color (like blue or red). RGB offers more fun!
Brightness Control: Can you dim the lights? Brightness control is important for legal driving and setting the mood.
Chasing/Sound Modes: Some advanced kits can flash to music or create cool ‘chasing’ light patterns.

3. Durability and Weatherproofing

Since these lights live outside under your car, they must handle the elements.

Water Resistance Rating: Look for an IP rating of IP67 or higher. This means the lights resist dust and can handle heavy rain or puddles.

Important Materials and Build Quality

The materials used determine how long your underglow lasts before it flickers or breaks.

Protective Casing

Silicone or Epoxy Coating: Good LED strips use a thick, clear silicone or epoxy coating over the actual lights. This coating protects the electronics from water, dirt, and vibrations. Thin plastic covers break easily.

Wiring Strength

The wires connecting the lights to the power source need to be strong.

Thick Gauge Wire: Wires should feel thick and flexible, not thin and brittle. Poor wiring often fails first in these setups.

Factors That Improve or Reduce Quality

What makes a kit great, and what makes it cheap?

Quality Boosters

Easy Installation Hardware: Kits that include strong adhesive tape (like 3M brand) and easy-to-use mounting clips generally offer better long-term stability.
Smart Control Systems: Bluetooth or Wi-Fi control apps often provide more stable connections than older, basic remote controls.

Quality Reducers (Watch Outs!)

Flimsy Plastic Housings: If the light bars feel cheap or use thin plastic, they will crack quickly when hit by road debris.
Non-Sealed Connections: Any visible wire connections that are not heat-shrunk or sealed are weak points where water will get in.

User Experience and Use Cases

How will you actually use your underglow?

Installation Difficulty

Most kits require some basic mechanical skill. You need to safely mount the strips to the frame and run the power wires neatly to the battery or fuse box. Read reviews to see if the instructions are clear.

Use Cases

Show Car/Cruising: If you want maximum visual impact, choose long strips with high brightness and many color options.
Safety/Visibility: If you mostly want to see your car better when parking, simpler, durable white or amber lights might be better. (Remember: Check local laws before driving with colors on the road!)

Underglow Kit FAQ: Your Top Questions Answered

Q: Are underglow kits legal to use while driving?

A: This changes depending on where you live. Many states and cities ban flashing or colored lights visible from the front or sides while driving, especially red or blue. Always check your local traffic laws first. It is usually okay to use them when parked.

Q: How hard is the installation process?

A: Installation is medium difficulty. You must clean the car frame well before sticking the lights on. Then, you securely hide the wires and connect them to a power source, often the car battery or a fuse box. Some people need help running the wires neatly.

Q: Will underglow drain my car battery?

A: If you install the kit correctly to turn off when the car is off, it should not drain the battery. LEDs use very little power. If you leave them running constantly, they will eventually drain the battery, just like leaving headlights on.

Q: What is the difference between LED strips and LED tubes?

A: LED strips are flat and flexible, making them easy to stick onto flat surfaces. LED tubes are often encased in a rigid, round housing, which offers superior protection but might be harder to mount in tight spots.

Q: How long do quality underglow kits usually last?

A: High-quality, well-sealed LED kits can easily last five years or more, even through harsh winters. The lifespan is usually shortened by poor installation or water getting inside the non-waterproof connections.

Q: Can I change the colors easily?

A: Yes, if you buy an RGB kit. Most modern kits use a remote control or a smartphone app. This lets you cycle through colors, set custom shades, or select pre-set modes like ‘fade’ or ‘strobe.’

Q: Do I need to drill holes for installation?

A: Most kits rely on strong, double-sided adhesive tape (like 3M VHB tape) for mounting the light bars. Drilling is usually only required if you need to run a wire through a plastic panel to hide it completely.

Q: What is the IP rating I should look for?

A: You should look for an IP rating of IP67 or higher. IP67 means the lights are fully protected from dust ingress and can be submerged in water up to one meter for a short time. This handles rain and car washes easily.

Q: What size kit should I buy for a sedan?

A: Most standard sedans use a 4-piece kit (one strip for each side of the car). Make sure the total length of the strips is long enough to cover the entire frame area you want to light up.

Q: Can I install this myself, or do I need a professional?

A: If you are comfortable working with basic automotive wiring and using hand tools, you can install it yourself. If you are nervous about tapping into the car’s electrical system, paying a professional installer will guarantee a cleaner, safer setup.