Browse everything Underground Dynamics carries—carbon fiber and fiberglass aero plus suspension parts, organized for real fitment. Pick your chassis, then dial in splitters, lips, wide-body, hoods, coilovers, air, or springs. No generic “universal” guesses. Just parts that match the platform.
Shop All Performance Parts by Chassis
Underground Dynamics stocks carbon fiber and fiberglass aero and suspension parts built around chassis-specific fitment. Start with your platform, then choose the parts that actually work together—splitters, front lips, side skirts, diffusers, wide-body fenders, hoods, and suspension setups.
Popular platforms we support
Honda Civic, Subaru BRZ / Scion FR-S, Toyota Supra, Nissan 350Z, Mazda Miata, Ford Mustang, Chevrolet Camaro, Infiniti G35, Acura TL, Honda Accord.
What you’ll find in this collection
- Aero parts: splitters, lips, skirts, diffusers, wings, wide-body kits, hoods
- Suspension: coilovers, air suspension, lowering springs
- Materials: carbon fiber and fiberglass only
How to shop faster
Pick a category, then filter by your chassis and year range. If you’re building for clearance, tire width, or track use, stay in the chassis lane—fitment is the whole point.
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