The most common underglow question we get isn't about colours or apps. It's "which size do I need?" Pick a kit that's too short and you get dark gaps between the strips; too long and the strips won't sit cleanly. Here's how to get it right the first time.
Fastest way: use the size finder on the Underglow page. Pick your year, make and model and it selects the right kit for you, and tells you if there's room for extension strips.
The three kit sizes at a glance
Every kit has six strips: two at the front, two along the sides and two at the rear, plus the controller, remote and extension cables. What changes is the length of each strip.
| Kit | Front | Sides | Rear | Price |
|---|---|---|---|---|
| Standard | 2 × 60 cm | 2 × 150 cm | 2 × 60 cm | $249 |
| Extended | 2 × 90 cm | 2 × 180 cm | 2 × 60 cm | $299 |
| Double Row | 2 × 90 cm | 2 × 160 cm | 2 × 60 cm | $449 |
Standard: compact and everyday cars
The Standard kit's 150 cm side strips suit most compact and everyday cars: hatchbacks, coupes and smaller sedans. For example, the size finder matches a 2015 Ford Focus to Standard. It's the most popular size and the easiest to install.
Extended: bigger cars, SUVs and trucks
Extended adds 30 cm to each side strip and 30 cm to each front strip. That covers longer sedans, SUVs and pickups. A 2020 Ford F-150, for example, is matched to Extended. If your vehicle is long or wide, or you want the glow to reach right to the bumpers, choose Extended.
Double Row: maximum glow for show builds
Double Row strips use two rows of LEDs for the brightest, most even glow we make. It's the pick for show cars, performance builds and anyone who wants the light to stay strong even on light-coloured concrete or in a bright lot.
How to measure your vehicle
- Sides: measure along the rocker panel (under the doors) between the front and rear wheel openings. That's the space your side strip needs to fit, with a little room at each end.
- Front: measure across the underside of the front bumper, between the wheel wells. Two front strips sit side by side, so halve the width.
- Rear: measure across the underside of the rear bumper the same way, avoiding the exhaust tips and any hitch.
- Compare your numbers with the table above. Strips don't have to fill every centimetre: a few centimetres of space at each end is normal and looks clean.
When you need extension strips
If your measurements land between sizes, or you have a long-bed truck or a very wide build, add Extension Strips. Each one is a 30 cm plug-and-play section that connects straight into the kit, so you can fill a gap or light extra spots like wheel wells.
Quick picks
- Compact car or hatchback: Standard
- Midsize or full-size sedan: Standard or Extended (measure the sides)
- SUV, crossover or minivan: Extended
- Pickup truck: Extended, plus Extension Strips for long beds
- Show car, any size: Double Row
Planning a truck or SUV build? See our truck and SUV guide. Adding more lights? Engine Lighting plugs into the same controller, and the Ultimate Glow bundle saves money when you combine kits.
Still unsure? Pick your vehicle and we'll match the size for you.
