CORSA valved 3.0in dual-rear axle-back exhaust for the 2024-2025 S650 Mustang Dark Horse 5.0L Coyote V8. CORSA-designed valves and custom-tuned mufflers transform the rear sections into a tuned high-flow system while retaining factory routing. Built from premium 304 stainless steel mandrel-bent tubing with twin 4.5in Black PVD slash tips for aggressive styling and proven durability. Made in the USA.
Specifications
| Type | Valved Axle-Back Exhaust |
| Series | Xtreme |
| Material | 304 stainless steel mandrel-bent; 3.0in |
| Tips | Twin 4.5in Black PVD slash |
| Exit | Dual rear |
| Valve | CORSA-designed valves; factory active-exhaust compatible |
| Sound | RSC drone-free; aggressive under acceleration |
| Part Number | 21267BLK |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2024-2025 | Ford | Mustang | Dark Horse |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
