CORSA Sport axle-back exhaust for the S550 Mustang GT, tuned for an aggressive yet drone-free note. Patented Reflective Sound Cancellation (RSC) technology eliminates cabin drone at cruise. Built from 304 stainless steel with dual-wall polished 4.5in tips, it flows 45.99 percent better than stock, runs 4 lbs lighter, and bolts on with no welding. Made in the U.S.A.
Specifications
| Type | Axle-Back Exhaust |
| Series | Sport |
| Material | 304 stainless steel |
| Tips | Dual-wall polished 4.5in |
| Sound | Sport - RSC drone-free at cruise |
| Flow | 45.99% better than stock |
| Weight | 4 lbs lighter than stock |
| Installation | Bolt-on - no welding required |
| Part Number | 14326 |
| Warranty | Limited Lifetime |
Documents: Installation Instructions (PDF) | Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2017 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2017 | Ford | Mustang | GT Premium |
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
