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Choose the exact listed application and part number. Match the engine, model year, body, drivetrain, transmission and original exhaust arrangement in the applications and installation requirements below.
Borla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type. Tip specification: Polished stainless steel.
Borla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type.
Borla cat-back exhaust system for the application and installation requirements shown below. Construction: T-304 stainless steel. Pipework uses mandrel bends. Sound specification: S-Type. Tip specification: Bright chrome.
Match the exact engine, model year, drivetrain, transmission and exhaust hardware for the selected part number.
Technical specifications
| Specification | Details |
|---|---|
| Product | Cat-Back Exhaust System |
| Part numbers | 140391, 140749, 140749SB |
| Pipe Diameter | 140391: 2.5"; 140749: 2.5", 1.75"; 140749SB: 2.5", 1.75" |
| Tip Size | 3.5" |
| Tip Exit | Dual Split Rear Exit |
| Sound | S-Type |
Vehicle applications
| Years | Model | Engine | Application | Body | Drive | Transmission | Exhaust configuration | Matching part numbers |
|---|---|---|---|---|---|---|---|---|
| 2011–2017 | Audi S5 | 3.0L 6-cylinder supercharged petrol | Coupe; 2-door | AWD | Automatic / Manual | System contains a Merge X-Pipe; Oversize box shipping rates apply to this system Audi; S5; 2011–2017; 3.0L 6-cylinder supercharged petrol; Coupe; 2 passenger side doors; AWD; Automatic/Manual; B8/B8.5; global 2011-2012 facelift boundary conditional on actual engine/body | 140391 | |
| 2008–2012 | Audi S5 | 4.2L 8-cylinder petrol | Coupe; 2-door | AWD | Automatic / Manual | System contains a Merge X-Pipe; Oversize box shipping rates apply to this system Audi; S5; 2008–2012; 4.2L 8-cylinder petrol; Coupe; 2 passenger side doors; AWD; Automatic/Manual; B8/B8.5; global 2011-2012 facelift boundary conditional on actual engine/body | 140391 | |
| 2018–2025 | Audi S5 | 3.0L 6-cylinder turbocharged petrol | Sportback | Hatchback; 4-door | AWD | Automatic | BORLA® system INCLUDES Exhaust Valve Simulators; System contains a Merge X-Pipe; It INCLUDES electronic exhaust valve simulators which ELIMINATE the valves. Audi; S5; 2018–2025; 3.0L 6-cylinder turbocharged petrol; Hatchback; 4 passenger side doors; AWD; Automatic; Trims: Sportback; Exact supplier configuration | 140749 |
| 2018–2025 | Audi S5 | 3.0L 6-cylinder turbocharged petrol | Sportback | Hatchback; 4-door | AWD | Automatic | BORLA® system INCLUDES Exhaust Valve Simulators; System contains a Merge X-Pipe; Tips have laser etched BORLA® logo; It INCLUDES electronic exhaust valve simulators which ELIMINATE the valves. Audi; S5; 2018–2025; 3.0L 6-cylinder turbocharged petrol; Hatchback; 4 passenger side doors; AWD; Automatic; Trims: Sportback; Exact supplier configuration | 140749SB |
Available variants
| Part number | Application | Tip configuration |
|---|---|---|
| 140391 | 2011–2017, 2008–2012; Audi S5; 3.0L, 4.2L | Polished stainless steel |
| 140749 | 2018–2025; Audi S5; 3.0L | Own-part configuration |
| 140749SB | 2018–2025; Audi S5; 3.0L | Bright chrome |
Installation and care
- System contains a Merge X-Pipe
- 140391: Oversize box shipping rates apply to this system
- 140749, 140749SB: BORLA® system INCLUDES Exhaust Valve Simulators
- 140749, 140749SB: It INCLUDES electronic exhaust valve simulators which ELIMINATE the valves.
- 140749SB: Tips have laser etched BORLA® logo
Follow Borla’s instructions for the selected part number before fitting.
