2015 Subaru BRZ Aero Ground Effects and Body Kits

What Are Aero Ground Effects and Body Kits?

Aero ground effects and body kits are exterior upgrades designed to reshape how air flows around a vehicle — improving stability, reducing drag, and giving any build a more purposeful, aggressive look. Spoilers, ground effects kits, aero splitters, valance panels, and side skirts all work together to manage the air your vehicle pushes through at speed. Originally developed for motorsports, these aerodynamic principles have made their way to street cars, trucks, motorcycles, and everything in between.

How Aero Components Work

At their core, body kits and ground effects work by managing the air your vehicle moves through. As a vehicle accelerates, air resistance increases — slowing it down and forcing the engine to work harder. Well-engineered aero components help streamline the vehicle's shape, allowing it to cut through the air more efficiently, which can enhance speed and even improve fuel economy by reducing the energy required to maintain velocity. On performance builds, components like front splitters generate downforce to increase grip, while rear spoilers reduce lift at high speeds for better stability and handling.

Choosing the Right Material

Material selection matters when shopping for aero parts. Fiberglass is affordable and easy to customize but can be prone to cracking under stress. Carbon fiber is a premium option — exceptionally strong and lightweight — but comes at a higher cost. Polyurethane strikes a practical middle ground: durable, flexible, and resistant to damage from minor road impacts, making it a popular choice for daily-driven street builds. Always verify that the kit you choose is engineered for your specific year, make, and model for the best fit and finish.

Top Brands in Aero Ground Effects and Body Kits

Several trusted manufacturers lead this category, each bringing a distinct specialty to the table:

• Air Design — Specializing in truck and passenger car ground effects, Air Design designs and manufactures its kits in North America using high-strength elastomeric polyurethanes and ABS polymers. Their Street Series kits feature a no-drill installation system and a factory-applied satin black finish, and the brand backs its products with a 3-year manufacturer's warranty.
• Kuryakyn — A pioneer in aftermarket motorcycle parts and accessories since 1989, Kuryakyn brings its deep customization expertise to aero and body styling for powersports riders, especially those building out Harley-Davidson, Indian, and metric cruisers. Their bolt-on approach makes it easy to achieve a custom look without professional installation.
• Sherman — A recognized leader in OEM-quality replacement parts, Sherman offers an extensive catalog of body panels, valances, and structural components covering vehicles from 1949 to current models. Their parts are engineered to match or exceed original factory specifications for fit, finish, and durability.
• NRG Innovations — Known for performance-oriented styling products, NRG Innovations brings a track-focused approach to aero accessories, offering a curated selection of high-impact components for enthusiasts who demand both form and function.
• Auveco — Auveco rounds out the category with a broad selection of hardware, fasteners, and body clip components that support proper aero and body kit installations, making them an essential resource for DIY builders and professional shops alike.

Explore Aero Ground Effects Subcategories

Whether you're refreshing a daily driver or building a full show car, browsing by subcategory is the fastest way to find the right part. Spoilers remain the most popular starting point for any aero build, shaping airflow at the rear of the vehicle. A complete ground effects kit transforms the entire lower body profile in one package. For the front end, an aero splitter generates downforce right where it's needed most. Valance panels clean up the lower fascia for a more finished, factory-plus look, while side skirts tie the front and rear together for a cohesive, low-slung appearance.