Product Overview
Enhance the rear profile and functional protection of your Ford Mustang S650 with the EOS Performance XL Extended Package Rear Fender Quarter Extensions, engineered specifically for 2024–Present Mustang S650 models. Designed for owners who want a clean OEM-plus appearance with added coverage, these rear quarter extensions help protect painted surfaces from road debris while visually widening the Mustang’s stance.
Available in Carbon Fiber or Glossy Black, this XL Extended Package blends performance styling with durability. The carbon fiber option is manufactured from dry pre-preg carbon fiber for lightweight strength and a premium woven finish, while the glossy black option uses high-quality ABS plastic for a sleek, factory-inspired look. Both finishes are precision-molded to follow the Mustang’s rear quarter contours for seamless integration.
The installation is non-invasive and vehicle-specific. Snap-on extensions contour to the quarter panel, while the deflector portion bolts on using OEM screws. Automotive-grade double-sided tape seals the contact surface for a secure fit that can be removed for maintenance without drilling holes or permanently modifying the vehicle.
Quick Compatibility:
Fits ALL 2024–Present Ford Mustang S650 models, including EcoBoost, GT, Dark Horse, coupe, and convertible trims.
Key Features
Vehicle-Specific XL Extended Design
Developed exclusively for the Mustang S650 platform, the XL extended rear quarter profile increases coverage behind the rear wheels to help deflect rocks, dirt, and debris away from painted surfaces.
Carbon Fiber or Glossy Black Finish Options
Choose dry pre-preg carbon fiber for a motorsport-grade look and lightweight performance, or glossy black ABS for a clean, OEM-style appearance.
Premium Material Construction
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Carbon Fiber: Dry pre-preg carbon fiber for superior rigidity and reduced weight
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Glossy Black: Durable ABS plastic designed for long-term daily use
OEM-Plus Fitment & Appearance
Precision-molded to align with factory body lines and mounting locations for a clean, gap-free installation.
Snap-On & Bolt-On Installation
Quarter panel extensions snap on securely, while the deflector portion bolts on using OEM screws—no cutting or drilling required.
Non-Permanent Installation Design
Automotive-grade double-sided tape seals the surface and allows removal for maintenance without damaging panels or leaving holes.
Hardware Included
Includes the required hardware for installation, ensuring a straightforward and secure setup.
Performance-Focused Styling
The XL extended rear profile visually widens the Mustang, complementing wider wheels, lowered suspension, and performance builds.
Installation
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Installation Type: Direct bolt-on / snap-on
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Installation Manual: NOT included
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Drilling Required: No
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Hardware Included: Yes
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Mounting Details:
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Snap-on extensions for the rear quarter panel section
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Bolt-on installation using OEM screws for the deflector portion
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Double-sided tape used to seal contact surfaces
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Recommendation: Professional installation is recommended for best alignment and finish.
Vehicle Compatibility
Fits ALL 2024–Present Ford Mustang S650 models, including EcoBoost, GT, Dark Horse, coupe, and convertible trims.
| Year | Make | Model | Trim |
|---|---|---|---|
| 2024 | Ford | Mustang | EcoBoost Coupe |
| 2024 | Ford | Mustang | EcoBoost Convertible |
| 2024 | Ford | Mustang | EcoBoost Premium Coupe |
| 2024 | Ford | Mustang | EcoBoost Premium Convertible |
| 2024 | Ford | Mustang | GT Coupe |
| 2024 | Ford | Mustang | GT Convertible |
| 2024 | Ford | Mustang | GT Premium Coupe |
| 2024 | Ford | Mustang | GT Premium Convertible |
| 2024 | Ford | Mustang | Dark Horse Coupe |
| 2024 | Ford | Mustang | Dark Horse Premium Coupe |
| 2025 | Ford | Mustang | EcoBoost Coupe |
| 2025 | Ford | Mustang | EcoBoost Convertible |
| 2025 | Ford | Mustang | EcoBoost Premium Coupe |
| 2025 | Ford | Mustang | EcoBoost Premium Convertible |
| 2025 | Ford | Mustang | GT Coupe |
| 2025 | Ford | Mustang | GT Premium Coupe |
| 2025 | Ford | Mustang | GT Premium Convertible |
| 2025 | Ford | Mustang | Dark Horse Coupe |
| 2025 | Ford | Mustang | Dark Horse Premium Coupe |
About Dry Carbon
Dry Carbon Fiber vs Wet Carbon Fiber — What’s the Difference?
Not all carbon fiber parts are made the same. The biggest distinction comes down to how the carbon is processed — commonly known as dry carbon and wet carbon. Both use genuine carbon fiber weave, but the production method, finish, and performance are completely different.
Manufacturing Process
Dry carbon fiber parts are produced using a pre-preg (pre-impregnated) carbon cloth, where the exact amount of resin is pre-applied by the manufacturer. These sheets are then vacuum-sealed and cured under high pressure and temperature in an autoclave, removing excess air and resin.
The result is a light, extremely strong, and precisely formed component — the same process used in motorsport and aerospace applications.
Wet carbon fiber, on the other hand, uses a hand-lay or wet-lay method. The carbon cloth is laid into a mold and liquid resin is manually brushed or poured over it before curing. Because it’s not vacuum-bagged or autoclave-cured, there’s usually more trapped resin and air pockets, leading to a heavier part and a less uniform finish.
Weight & Strength
Dry carbon fiber is roughly 30–50% lighter than wet carbon. This is due to the controlled resin ratio — just enough to bind the fibers without unnecessary weight.
By comparison, wet carbon or carbon-over-fiberglass parts can be up to 70% heavier, since excess resin and fiberglass layers add mass without increasing stiffness.
For reference:
- Carbon Fiber Density: ~1.55 g/cm³
- Fiberglass Density: ~2.6 g/cm³
Dry carbon also offers a much higher modulus of elasticity (~125 GPa), giving it outstanding rigidity under stress — ideal for aerodynamic and high-load components.
Visual & Structural Differences
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Backside: A true dry carbon piece will look identical front and back — you can see the same woven pattern throughout.
Wet carbon or fiberglass-backed parts often have a dull, uneven underside with visible fiberglass texture or color variation. -
Edges: Solid dry carbon has clean, uniform black edges.
Wet carbon or overlay parts may show a white or grey line along the edge, revealing the fiberglass underneath — sometimes hidden with black paint trim. -
Finish: Dry carbon typically has a consistent matte or satin finish, while wet carbon can appear glossy but uneven due to hand-applied resin.