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The AC-SS20FDMU500 side skirts for the 2020-2023 Ford Mustang GT500 are precision-crafted from 3K 2x2 twill carbon fiber using a vacuum-infused wet layup, delivering the iconic carbon weave with up to 50% weight savings over the factory steel panel. Designed as a direct replacement for the factory rocker panels, these skirts mount at OEM body clip locations and factory attachment points, no cutting, no drilling. The AC-SS20FDMU500 kit includes both sides and pairs directly with Anderson Composites' front lips, rear diffusers, and spoilers to build a fully coordinated aero package with up to 50% weight savings over the OEM plastic pieces.
Key Features
- Material: 3K 2x2 twill carbon fiber, vacuum-infused wet layup.
- Finish: marine-grade gel coat with UV inhibitors, hand-polished to a gloss finish.
- Weight savings: up to 50% vs. OEM rocker panels.
- Direct OEM bolt-on using factory body clip locations and attachment points.
- Pair of Anderson Composites carbon fiber side skirts (AC-SS20FDMU500), driver and passenger.
- Precision-molded from OEM body lines for a seamless profile.
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2020-2023 | Ford | Mustang | GT500 |
Specifications
| Detail | Value |
|---|---|
| Part Number | AC-SS20FDMU500 |
| Brand | Anderson Composites |
| Material | 3K 2x2 twill carbon fiber |
| Construction | vacuum-infused wet layup |
| Surface Finish | marine-grade gel coat with UV inhibitors, hand-polished to a gloss finish |
| Weight Savings | Up to 50% vs. OEM rocker panels |
| Sold As | Pair, driver and passenger |
| Mounting | OEM body clip and bolt locations |
What's Included
- Pair of Anderson Composites carbon fiber side skirts (AC-SS20FDMU500), driver and passenger
- Mounting hardware (uses OEM attachment points, body-side tape may be used to supplement the upper seal)
Brand Information
Anderson Composites manufactures application-specific carbon fiber, fiberglass, and composite exterior components for performance vehicles. Construction, finish, mounting, and vehicle compatibility remain manufacturer-part-number specific.
Related Parts
Frequently Asked Questions
Are both sides included in the AC-SS20FDMU500 kit?
Yes. The kit includes both the driver and passenger side skirts. The listed price covers the complete pair.
Does installation require drilling or cutting?
No. These skirts use existing OEM body clip locations and attachment points. No new holes are required, though a thin bead of body tape along the upper edge is commonly used to achieve a flush seal against the rocker panel.
How much ground clearance will I lose?
The AC-SS20FDMU500 extends downward from the factory rocker panel position. The actual reduction in ground clearance depends on the vehicle's ride height and suspension setup. Significantly lowered vehicles should verify curb and speed bump clearance during test-fit before driving aggressively.
Can these skirts be painted?
Yes. The gel coat surface accepts standard automotive paint. Lightly sand, prime with a flexible composite primer, then apply basecoat and 2K clear coat for a factory color match.
Installation Instructions
- Lift and safely support the vehicle to access the underside of the rocker panel area
- Remove the OEM side skirts by disengaging all push-pin clips and any mounting bolts
- Clean the attachment surface to remove old adhesive and road debris
- Test-fit both sides before applying any adhesive or final fasteners
- Secure each skirt using OEM clips and apply body-side tape along the upper edge
- Verify front-to-rear alignment and consistent gap on both sides
- Reinstall any underbody splash shields or covers removed during disassembly
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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