Aftermarket body kit and ground effects components are modeled after modifications racers make to production vehicle bodies to make them handle better at speed. Each individual modification is designed to work with other mods as a system based on testing in the wind tunnel and on the race track. Side skirts are perfect examples of this because they work best when used with bumper lips, air dams, or front spoilers.

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Race car builders seek an ideal aerodynamic balance between drag and downforce. Minimizing drag reduces the air resistance encountered by the car, allowing it to go faster. Down force is necessary so the tires stay firmly planted on the track surface for optimal power delivery, steering and braking. Although some body mods increase drag to create downforce, this tradeoff is necessary for overall vehicle performance.

Bumper lips, air dams, and front spoilers reduce the amount of air flowing under the car. This not only reduces drag because less air encounters resistance from the irregular shapes of the mechanical components under the car, but it also helps create downforce because more air is forced around the sides and over the top of the car. The limited amount of air that does go under the car travels at increased velocity, creating a low pressure area. The greater pressure above the car creates downforce that helps the car stay glued to the track, improving tire traction for propulsion and steering.

This is where side skirts become beneficial. Side skirts minimize the amount of air that goes under the car from the sides. In fact, without side skirts, a bumper lip’s effect can be negated because the low pressure area created under the car by the bumper lip would cause high pressure air from the sides to come rushing in. Accordingly, side skirts are more effective when they are closer to the ground. But aside from performance, side skirts also create the visual effect of making a car appear lowered, as if it were “hugging” the pavement.

Our side skirts, especially when installed in conjunction with a bumper lip, can give your street car the lowered, road hugging, ready-for-the-track appearance you’re looking for. They’re manufactured from durable materials including carbon fiber, ABS plastic, fiberglass, and urethane, and designed specifically for each application, so you can be assured of form that will perfectly complement your car’s styling, and easy fitment. They’ll arrive at your door ready for prep and paint, and depending on the brand, install easily with bolt-on or adhesive attachment.

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Guides & Articles

  • Spoilers
    Will Adding a Spoiler Make My Car More Aerodynamic?
    A simple way to answer this question would be with a "yes". However, the science of properly managing airflow to create beneficial automotive aerodynamics is, quite literally, more complicated than meets the eye. The word "aerodynamics" brings to mind visions of a vehicle in a wind tunnel with a smoke wand illustrating how smoothly air flows over it. But true automobile aerodynamics involves a detailed study of how the motion of air interacts with all areas of an automobile. One term that gets the most attention is "coefficient of drag" (Cd), which is an overall measurement of a shape's resistance to airflow.
  • Body Kits
    What Type of Body Kit Material Should I Choose?
    If you're reading this, you've probably decided the factory stock appearance of your car, while attractive, is rather staid and unexciting. You know that modifying your vehicle with a body kit is what feels right when it comes to adding a personal touch and making it your own. Maybe you're considering starting out slowly by adding a rear spoiler or front air dam, or going further with side skirts and even a replacement custom hood.
  • Body Kits
    Body Kit Installation | Weekend DIY, or Professional Shop?
    At CARiD, we understand how deeply the appeal of side skirts, rear diffusers, aero wings, air dams, custom replacement bumper covers, and other components included in body kits runs in the blood of automotive enthusiasts. We know, because we've added them on our own vehicles to enhance performance and to create uniquely impressive visual signatures.
  • Body Kits
    Are Body Kits for Show or for Go?
    Full body kits are inspired by the look and functionality of body panel refinements made to racecars after relentless amounts of wind tunnel testing and aerodynamic adjustments on the track. Careful sculpting of body panels with addition of air dams, skirts, rear spoilers, ridges and diffusers serves to control airflow around the car - yielding a lower coefficient of drag along with greater amounts of downforce that keep a car pressed against the ground at higher speeds.

Side Skirts Reviews

Average rating:  4.5  4.3 - 73 reviews
Read All Side Skirts Reviews
3 of 5
Kit Does Not Properly Fit 97' Models
Does not fit (97)-2000 mentioned would fit 97 and it does not.
QPosted by Quinton (Conroe, TX) /
1999 Lexus SC
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