Ford Mustang S197 GT500 Style Rear Bumper Diffuser 2013-2014

Upgrade the rear styling and aerodynamic profile of your 2013-2014 Ford Mustang S197 with this GT500 Style rear bumper diffuser. Designed to replicate the aggressive factory GT500 appearance, this rear diffuser enhances the lower rear bumper with a more performance-focused and track-inspired look while maintaining clean OEM-style integration.

This replacement rear diffuser is engineered to follow the factory bumper contours of the S197 Mustang, providing a precise fit and improved visual structure around the exhaust area. The sculpted fins and defined channels add depth and character to the rear end, creating a wider and more aggressive stance.

Constructed from durable polypropylene, this diffuser offers strong impact resistance, flexibility, and long-term durability. Available in matte black or painted glossy black finishes, it provides a clean and refined appearance while supporting improved airflow management and aerodynamic styling.

Product Specifications

Key Features

• Designed for 2013-2014 Ford Mustang S197 models
• GT500 Style rear diffuser for aggressive performance-inspired styling
• Enhances rear bumper with deeper contours and aerodynamic fins
• Constructed from durable polypropylene for strength and flexibility
• Available in matte black or painted glossy black finishes
• Improves airflow management around the rear lower section
• Creates a wider and more planted rear-end appearance
• Precision molded to match factory bumper contours
• Direct replacement design for easy installation
• No major modification required
• Suitable for daily driving and performance builds

Configuration Options

• Matte Black – OEM-style finish for a subtle and clean appearance
• Painted Glossy Black – High-gloss finish for a more aggressive and refined look

Package Includes

• 1 x GT500 Style rear bumper diffuser

Note: Installation hardware is not specified and may require reuse of factory mounting components. Professional installation is recommended to ensure proper alignment and secure fitment.

Installation

• Direct replacement installation
• Uses factory mounting points
• No drilling required for most applications
• No cutting required
• No permanent modification required
• Align properly before final installation
• Professional installation recommended

Fitment

• 2013 Ford Mustang S197
• 2014 Ford Mustang S197
• Fits all 2013-2014 Mustang S197 trims

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.