The MagnaFlow Competition Series axle-back exhaust (MPN 15077) fits the 2011-2012 Ford Mustang with the 5.0L V8. It runs 3in mandrel-bent stainless piping through two straight-through mufflers to a quad split rear exit with polished 4in double-wall tips, producing an aggressive exterior and moderate interior tone. Direct-fit replacement from the rear axle back, backed by MagnaFlow's limited lifetime warranty.
Specifications
| Type | Competition Series axle-back exhaust |
| Material | Stainless steel - 3in mandrel-bent piping |
| Mufflers | 2 straight-through |
| Exit | Quad split rear |
| Tips | Polished 4in double-wall angle-cut |
| Sound | Aggressive exterior / moderate interior |
| Part Number | 15077 |
| Warranty | MagnaFlow Limited Lifetime |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012 | Ford | Mustang | Boss 302 |
| 2011-2012 | Ford | Mustang | GT |
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
