This website uses cookies to ensure you get the best experience on our website. Learn more.
2021 Ford Mustang GT Exhaust Systems
Part# 1014045 What vehicle does this fit?

- ECE-R59 approved system complies with Economic Commission for Europe rules
- Coverage includes Bullitt models
- BORLA® system is True Dual. BORLA® system has Active Exhaust Valves.
- Front muffler/ resonator contains an internal H-Pipe
Part# 1014045BC What vehicle does this fit?

- ECE-R59 approved system complies with Economic Commission for Europe rules
- Coverage includes Bullitt models
- BORLA® system is True Dual. BORLA® system has Active Exhaust Valves.
- Front muffler/ resonator contains an internal H-Pipe
Part# 1014045CF What vehicle does this fit?

- ECE-R59 approved system complies with Economic Commission for Europe rules
- Coverage includes Bullit models
- BORLA® system is True Dual. BORLA® system has Active Exhaust Valves.
- Front muffler/ resonator contains an internal H-Pipe
Part# 11951 What vehicle does this fit?


- Fits models with Active Exhaust Valves
- Coverage includes Bullitt models
Part# 11951BC What vehicle does this fit?


- Fits models with Active Exhaust Valves
- Coverage includes Bullitt models
Part# 11953 What vehicle does this fit?


- Fits vehicles WITHOUT Active Valve Exhaust
Part# 11953BC What vehicle does this fit?


- Fits vehicles WITHOUT Active Valve Exhaust
Part# 140742 What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3" diameter system
- NOT recommended for Convertibles
- System contains a Merge X-Pipe
Part# 140742BC What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3"" diameter system
- NOT recommend for Convertibles
- System contains a Merge X-Pipe"
Part# 140742CF What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3"" diameter system
- NOT recommended for Convertibles
- System contains a Merge X-Pipe
Part# 140742CFBA What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3"" diameter system
- NOT recommend for Convertibles
- System contains a Merge X-Pipe
Part# 140743 What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3" diameter system
- NOT recommended for Convertibles
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140743BC What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3" diameter system
- NOT recommended for Convertibles
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140743CF What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3" diameter system
- NOT recommended for Convertibles
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140743CFBA What vehicle does this fit?


- System features Sound Suppressing Exhaust Valves
- 3" diameter system
- NOT recommended for Convertibles
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140745 What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a Merge X-Pipe
Part# 140745BC What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a merge X-Pipe
Part# 140745CF What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a merge X-Pipe
Part# 140746 What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140746BC What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140746CF What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140746CFBA What vehicle does this fit?


- For vehicles WITHOUT Active Valve Exhaust
- NOT recommend for Convertibles
- 3" diameter system
- System contains a Merge X-Pipe
- System features Polyphonic Harmonizer technology
Part# 140807 What vehicle does this fit?

- For vehicles WITHOUT Active Valve Exhaust
- Recommended for Convertibles
- System contains a Merge X-Pipe
Part# 60661 What vehicle does this fit?


- Use ONLY With BORLA® Systems
- NOT recommended for Convertibles
- Fits vehicles with or without Active Valve Exhaust
- This Resonator contains an internal H-Pipe
Part# 60662 What vehicle does this fit?


- Contains SwitchFire™ technology
- Designed to replace the O.E. resonator ONLY
- Part is 33.2" Long x 7.1" Wide x 5.5" High
- Inlet 2.25" O.D., Outlet 2.5" I.D. Outlets are angled outward slightly.
Part# 60705 What vehicle does this fit?


- This X-Pipe and Connection Pipe fits vehicles with and without Active Valve Exhaust
- Use ONLY with BORLA® Axle-Back systems
Part# 60715 What vehicle does this fit?


- Use to replace the Merge X-Pipe in systems 140742, 140743, 140745, and 140746 and BC & CF versions
- Contains SwitchFire™ technology
- Designed to work with BORLA® Cat-Back™ Systems ONLY
- Contains 2) 2.25" inlet x 2.75 outlet adapters, 1) SwitchFire™ assembly, and 4) clamps
- SwitchFire™ X-Pipe is 25.3" Long x 7.8" Wide x 5" High (dimensions do not include adapters)