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Side Skirts 101: Function, Fitment & Installation Explained

Side skirts are one of the most impactful yet often overlooked modifications - they tie together the front and rear of a car's silhouette. Here's what you need to know before buying a set.What Do Side Skirts Actually Do?Beyond the visual lowering effect, side skirts help manage airflow along the underside of the car, reducing turbulence that can otherwise create drag along the rocker panels at speed.Extension Lips vs. Full Replacement SkirtsExtension lips mount directly onto your existing factory side skirts, adding depth without removing anything. Full replacement side skirts, on the other hand, swap out the entire factory panel for a redesigned aftermarket piece.Material ConsiderationsSide skirts sit close to the ground and are more exposed to curb strikes and road debris than upper body parts, so many buyers opt for a hybrid carbon fiber/fiberglass construction for extra durability, or choose a slightly higher ride height clearance during install.Installation BasicsMost side skirts install using a combination of automotive-grade double-sided tape and self-tapping screws along the mounting edge for a secure, long-term hold.Browse side skirts for your vehicle in our full product catalog.