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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 axle-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.
Borla axle-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: Black chrome.
Match the exact engine, model year, drivetrain, transmission and exhaust hardware for the selected part number.
Technical specifications
| Specification | Details |
|---|---|
| Product | Axle-Back Exhaust System |
| Part numbers | 11981, 11981BC |
| Pipe Diameter | 2.5" |
| Tip Exit | Dual Split Rear Exit |
| Sound | S-Type |
Vehicle applications
| Years | Model | Engine | Application | Body | Drive | Transmission | Exhaust configuration | Matching part numbers |
|---|---|---|---|---|---|---|---|---|
| 2022–2025 | Lexus IS 500 | 5.0L 8-cylinder petrol | Sedan; 4-door | RWD | Automatic | BORLA® system is a True Dual design.; Add optional Mid-Section 60738 (RC F) or 60739 (IS 500) to create a Cat-Back™ system; Part number 60738 is designed to work ONLY with BORLA® Axle-Back systems 11981 & 11981BC.; Installation of 60738 REQUIRES cutting the mid section of the stock exhaust behind the catalytic converters and welding inlet pipes to rear of the catalytic converters. Lexus; IS 500; 2022–2025; 5.0L 8-cylinder petrol; Sedan; 4 passenger side doors; RWD; Automatic; Exact supplier configuration | 11981 | |
| 2015–2025 | Lexus RC F | 5.0L 8-cylinder petrol | Coupe; 2-door | RWD | Automatic | BORLA® system is a True Dual design.; Add optional Mid-Section 60738 (RC F) or 60739 (IS 500) to create a Cat-Back™ system; Part number 60738 is designed to work ONLY with BORLA® Axle-Back systems 11981 & 11981BC.; Installation of 60738 REQUIRES cutting the mid section of the stock exhaust behind the catalytic converters and welding inlet pipes to rear of the catalytic converters. Lexus; RC F; 2015–2025; 5.0L 8-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; Exact supplier configuration | 11981 | |
| 2022–2025 | Lexus IS 500 | 5.0L 8-cylinder petrol | Sedan; 4-door | RWD | Automatic | BORLA® system is a True Dual design; Add optional Mid-Section 60738 (RC F) or 60739 (IS 500) to create a Cat-Back™ system; Using BORLA® Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips.; We suggest cleaning the tips with hot water and a microfiber cloth.; Part number 60738 is designed to work ONLY with BORLA® Axle-Back systems 11981 & 11981BC.; Installation of 60738 REQUIRES cutting the mid section of the stock exhaust behind the catalytic converter and welding inlet pipes to rear of the catalytic converters. Lexus; IS 500; 2022–2025; 5.0L 8-cylinder petrol; Sedan; 4 passenger side doors; RWD; Automatic; Exact supplier configuration | 11981BC | |
| 2015–2025 | Lexus RC F | 5.0L 8-cylinder petrol | Coupe; 2-door | RWD | Automatic | BORLA® system is a True Dual design; Add optional Mid-Section 60738 (RC F) or 60739 (IS 500) to create a Cat-Back™ system; Using BORLA® Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips.; We suggest cleaning the tips with hot water and a microfiber cloth.; Part number 60738 is designed to work ONLY with BORLA® Axle-Back systems 11981 & 11981BC.; Installation of 60738 REQUIRES cutting the mid section of the stock exhaust behind the catalytic converter and welding inlet pipes to rear of the catalytic converters. Lexus; RC F; 2015–2025; 5.0L 8-cylinder petrol; Coupe; 2 passenger side doors; RWD; Automatic; Exact supplier configuration | 11981BC |
Available variants
| Part number | Tip configuration |
|---|---|
| 11981 | Bright chrome |
| 11981BC | Black chrome |
Installation and care
- BORLA® system is a True Dual design.
- Add optional Mid-Section 60738 (RC F) or 60739 (IS 500) to create a Cat-Back™ system
- Part number 60738 is designed to work ONLY with BORLA® Axle-Back systems 11981 & 11981BC.
- 11981: Installation of 60738 REQUIRES cutting the mid section of the stock exhaust behind the catalytic converters and welding inlet pipes to rear of the catalytic converters.
- 11981BC: Using BORLA® Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips.
- 11981BC: We suggest cleaning the tips with hot water and a microfiber cloth.
- 11981BC: Installation of 60738 REQUIRES cutting the mid section of the stock exhaust behind the catalytic converter and welding inlet pipes to rear of the catalytic converters.
Follow Borla’s instructions for the selected part number before fitting.
