Borla Cat-Back Exhaust
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Borla Cat-Back Exhaust - Ford Mustang GT (S550) - 2.5in 4in Tips 2015-2017
This Borla cat-back exhaust suits the 2015-2017 Ford Mustang GT (S550) without active exhaust. The 2.5in dual system uses a Merge X-pipe for improved performance and sound, and exits through a single 4in round tip on each muffler in polished or black chrome. Choose S-Type (sporty) or ATAK (the most aggressive); both are tuned to avoid drone in the cabin.
Note: Suits pre-2018 Mustang GTs without active exhaust. Care tip: stainless steel polish is not recommended on the black chrome tips. Designed around the US left-hand-drive Mustang. The underbody layout is shared with the factory right-hand-drive Australian Mustang, so cat-backs generally fit, but please confirm valance and tip cut-outs and active exhaust fitment with our team before ordering. Installation by a professional is recommended.
Features
- 2.5in dual mandrel-bent T-304 stainless steel system
- Merge X-pipe for improved performance and sound
- Patented straight-through, multi-core muffler technology
- Single 4in round tip on each muffler in bright chrome or black chrome
- Borla 3-year limited warranty
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Ford | Mustang GT | S550 | 2015-2017 | 5.0L V8; without active exhaust |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Borla |
| System type | Cat-back exhaust with Merge X-pipe |
| Pipe diameter | 2.5in dual |
| Material | T-304 stainless steel |
| Tips | Single 4in round on each muffler: bright chrome or black chrome on T-304 stainless steel |
| Sound level(s) | S-Type / ATAK |
| Exit style | Dual rear |
| Part number(s) | 140590, 140590BC, 140591, 140591BC |
| S-Type / Polished – Part number | 140590 |
| S-Type / Black Chrome – Part number | 140590BC |
| ATAK / Polished – Part number | 140591 |
| ATAK / Black Chrome – Part number | 140591BC |
No instructions available for this product.

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