Description

PRE-ORDER ALLOCATION! SHIPS OUT 8-10 WEEKS FROM PURCHASE DATE. ELIGIBLE FOR STORE CREDIT, IF REQUESTED TO BE CANCELLED.
Complete the rear-end identity of your S650 Mustang with the 2024–2026 Mustang S650 Heritage SC™ V-Shaped Dry Gloss Carbon Fiber Rear Diffuser Rectangular-Exit Quad Tips, manufactured by Auto Addict USA. Designed to match the same premium Heritage SC™ design language as the front bumper, hood, and side rockers, this rear diffuser gives the S650 a wider, lower, and more aggressive track-inspired appearance from the back.
This rear diffuser is built for Mustang owners who want their build to look complete from every angle. The Heritage SC™ V-shaped dry gloss carbon fiber design flows with the rear body lines of the S650 platform and helps create a more premium, performance-focused rear profile. Instead of a basic rear add-on, this diffuser is designed to become a major visual centerpiece of the full Heritage SC™ track package.
Each rear diffuser is manufactured by Auto Addict USA using dry carbon fiber and produced from a precision CNC mold to support track-inspired quality, consistent fitment, and premium body-line integration. The CNC mold process allows the diffuser to hold cleaner shape accuracy, sharper fin detail, and a more refined fit against the rear bumper area compared to standard hand-shaped aftermarket components.
The dry gloss carbon fiber finish gives the rear of the Mustang a high-end motorsport appearance that pairs perfectly with the Heritage SC™ front bumper, hood, side rockers, spoiler, and other carbon fiber aero upgrades. The diffuser helps visually lower the rear of the car while adding a more aggressive and exotic-style appearance.
This diffuser is designed around a rectangular-exit quad tip layout, giving the rear end a bold and modern performance look. However, customers are not required to use rectangular exhaust tips with this diffuser. Depending on the exhaust setup and preference, customers may also run quad circle tips for a more traditional performance appearance while still enjoying the aggressive Heritage SC™ diffuser design.
For the owner, this upgrade adds more than styling — it adds presence, balance, and value to the overall build. A rear diffuser is one of the most important pieces for completing the look of a full aero package. When paired with the Heritage SC™ front bumper, hood, and side rockers, this diffuser helps create a complete carbon fiber track package appearance that makes the S650 look more premium, more aggressive, and more exclusive.
Whether you are building a show car, street build, content car, or complete Heritage SC™ track package, this rear diffuser brings the rear-end design together with premium carbon fiber construction and a bold performance look.
Why This Rear Diffuser Is Worth The Investment
This is not a basic rear bumper add-on. The value comes from the dry carbon fiber construction, the precision CNC mold production process, the aggressive Heritage SC™ V-shaped design language, and the flexible exhaust tip layout.
Instead of adding a generic diffuser that may not match the rest of the vehicle, this Heritage SC™ rear diffuser is designed to visually connect with the full carbon fiber package. It helps complete the car from front to rear, adding a more finished, high-end appearance that increases the overall visual value of the build.
Key Features
- Fits 2024–2026 Ford Mustang S650
- Manufactured by Auto Addict USA
- Heritage SC™ V-shaped rear diffuser design
- Designed for rectangular-exit quad tips
- Customers may also use quad circle tips depending on exhaust setup
- Manufactured from dry carbon fiber
- Produced using a precision CNC mold
- CNC mold process supports track-inspired quality and fitment
- Premium dry gloss carbon fiber finish
- Designed to match the Heritage SC™ bumper, hood, and side rocker package
- Helps visually lower and widen the rear profile of the S650 Mustang
- Adds aggressive motorsport-inspired rear styling
- Enhances the full track package appearance
- Helps create a more complete and premium carbon fiber build
- Ideal for show builds, street builds, content cars, and track-inspired Mustang projects
- Designed for customers who want high-quality carbon fiber styling with clean body-line integration
Exhaust Tip Note
This diffuser is styled around a rectangular-exit quad tip appearance, but rectangular tips are not required. Customers can also use quad circle exhaust tips depending on their exhaust setup, preferred rear-end look, and installation configuration.
Vehicle Fitment
Make: Ford
Model: Mustang S650
Years: 2024, 2025, 2026
Trims: Designed for the S650 Mustang platform. Please confirm final trim compatibility before ordering if your vehicle has aftermarket rear bumper or exhaust modifications.
Installation Notes
Professional installation is highly recommended. This is a premium aftermarket carbon fiber rear diffuser and may require test fitting, alignment, adjustment, and proper body shop installation for best results. Please test fit all components before final installation. Minor adjustment may be required depending on vehicle condition, trim package, exhaust setup, and previous modifications.
Shop the 2024–2026 Mustang S650 Heritage SC™ V-Shaped Dry Gloss Carbon Fiber Rear Diffuser Rectangular-Exit Quad Tips manufactured by Auto Addict USA. Premium dry carbon fiber CNC mold rear diffuser with gloss finish, track-inspired fitment, Heritage SC™ styling, and compatibility with rectangular or quad circle exhaust tip setups.
Shipping & Lead Times
Order Processing Time:
All in-stock ground items are processed and shipped within 2-4 business days after the order is placed. Orders are not shipped on weekends or holidays.
LTL/Freight Shipments:
All regular LTL/Freight shipments take an average of 3-5 business days to process, book carrier pickup, and ship. Shipping times for LTL shipments vary by location. From our data, the average shipping time is: West Coast: 3-5 business days, Midwest: 5-7 business days, Mid East: 5-9 business days, East Coast: 7-10 business days. You must include a valid phone number with your order if you are purchasing an item being shipped LTL so that the carrier may contact you to schedule delivery. Auto Addict USA is not responsible for storage charges in the event of a carrier not being able to reach you. If you are unsure about the shipping time for your order, please call us at (714) 944-7923.
Carbon Fiber Products:
All carbon fiber products take between 7-14 business days on average to process if the item is in stock. Due to the fragile nature of these products, additional handling and inspection are required to meet Auto Addict USA's quality control standards. Processing times may extend during peak periods as the shipping process is more complex for these items. At peak times this time frame may be extended due to a high order volume that requires to be processed. We will always process orders in the order that it has been received.
Pre-Order Items:
Pre-order items will ship within the timeframe stated on the product page, typically 8-16 weeks after purchase. Please note that shipping dates are estimates and may be subject to change due to production delays and shipment delays. We will do our best to keep you informed of any changes to your pre-order status.
Expedited Shipping:
If you require expedited processing for your order, we can assist with expedited handling times for an additional fee. Please note that we cannot guarantee transit times, but we will ensure quicker handling of your order. We suggest contacting us prior to purchasing to receive a quote for the expedited handling fee.
Shipping Rates & Delivery Estimates:
We offer free shipping on most ground items for all orders within the lower 48 states of the United States for items that are stocked in Auto Addict USA warehouses. Auto Addict USA reserves the right to charge shipping on any order if the address being shipped to exceeds the allowed free shipping package threshold. This is solely at the discretion of Auto Addict USA. Free Economy Shipping: 5-7 business days after processing. Please note that delivery delays can occasionally occur due to unforeseen circumstances.
Shipment Confirmation & Order Tracking:
You will receive a shipment confirmation email once your order has shipped, containing your tracking number(s). The tracking number will be active within 24 hours.
P.O. Boxes or APO/FPO Addresses:
We currently do not ship to P.O. Boxes or APO/FPO addresses. Please provide a physical address for all orders.
Shipping Outside the Lower 48 States:
For orders shipping to Alaska, Hawaii, or U.S. territories, a surcharge may apply. Please contact us for a shipping quote before placing your order.
International Shipping Policy:
We currently do not ship outside the United States. If you are interested in placing an international order, please contact us directly.
Customs Brokers:
For any international orders, customers are required to hire a customs broker to manage the import process. It is the customer's responsibility to handle all customs procedures, and we are not responsible for hiring a customs broker or managing customs clearance on the customer's behalf.
Shipping Damages & Liability:
Although we strive to package items appropriately to prevent damage, we are not responsible for any damages caused by any freight/LTL carrier or other delivery services such as FedEx or UPS. We recommend inspecting all packages upon delivery. If damage occurs, please file a claim directly with the carrier. If your claim is not immediately filed, it may result in a denial of your claim. Most carbon fiber products are shipped with insurance as they are typically high value. Auto Addict USA offers package protection insurance with a licensed and bonded insurance company named Route. Auto Addict USA is not responsible for denied claims, and by purchasing package protection, you agree to hold Auto Addict USA harmless of any losses that occur in transit or claim denial. Auto Addict USA is not responsible for lost or damaged products if you choose not to purchase package protection insurance.
Lost or Stolen Packages:
We are not responsible for lost or stolen packages after they have been marked as delivered by the carrier. Please ensure that your delivery address is secure. If your package is lost or stolen, we recommend contacting the carrier for assistance.
Storage Fees:
If a package is held by the carrier and storage fees are applied, Auto Addict USA is not responsible for any storage fees related to the customer's order. It is the customer's responsibility to resolve any issues directly with the carrier. Auto Addict USA's approval may be required to release a package. If this is required by the carrier, please contact sales@autoaddictusa.com or call us directly for immediate assistance.
Return Shipping:
Customers are responsible for paying all return shipping costs unless the return is due to a defect or error on our part. Shipping costs are non-refundable. If a refund is issued, the cost of return shipping will be deducted from your refund.
Pre-Order Shipping Terms:
Pre-orders will be shipped as soon as they are available. Please refer to the product page for estimated shipping times. Any changes to shipping information for pre-orders must be requested prior to shipment.
Additional Shipping Information:
For items over $75, we recommend using a trackable shipping service or purchasing shipping insurance. We do not guarantee that we will receive your returned item. Any customs fees, duties, or taxes incurred for international shipments are the responsibility of the customer.
PCI DSS V4 Compliant Checkout
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.













