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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.
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.
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.
Exhaust Tip Note
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.
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.
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.
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.
| SKU | Vehicle or component application | Fitting requirements |
|---|---|---|
| AA_S650_HERT_SPEC_DIFF_SC_24 | 2024–2026 Ford Mustang S650 | Check the component details and original equipment before fitting. |
Delivery is quoted for this product. Contact Hoonies for a delivery quote and confirmation of availability before ordering.
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.
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