SC Project SC1-S Carbon Exhaust 3-1 Stainless Steel Full System for Street Triple 765 RS (2023-24)
The SC Project SC1-S Carbon exhaust 3-1 stainless steel full system for Street Triple 765 RS (2024-2025) combines lightweight construction, performance gains, and a distinctive racing-inspired design. SC-Project developed the SC1-S using experience gained from the Moto2 World Championship.
The system uses SAE 304 stainless steel headers with a carbon fibre muffler and carbon fibre end cap. It also features a removable dB-killer, carbon fibre heat shield, and bracket mounting. The complete system weighs 3.4 kg, compared with 9.6 kg for the OEM exhaust, saving 4.8 kg. Visit our website for more products Dirt Street.
Performance and Weight Reduction
The SC1-S full exhaust system delivers a claimed 5.0 hp increase at 10,500 rpm. It also provides a claimed 3.5 Nm torque increase at 10,500 rpm. SC-Project records these performance figures without the dB-killer.
The system reduces exhaust weight by 4.8 kg compared with the original exhaust. The SC system weighs 3.4 kg, while the OEM system weighs 9.6 kg. Therefore, the exhaust offers a weight reduction of more than 50% compared with the OEM unit.
Carbon Fibre SC1-S Muffler
The SC1-S uses a carbon fibre muffler body and carbon fibre end cap. This lightweight construction helps reduce the overall exhaust weight while giving the Street Triple 765 RS a distinctive appearance.
The muffler features an asymmetric rhomboidal outlet. Its sporty shape creates a balance between the compact design and aggressive styling of the exhaust system.
A riveted aluminium plate with the SC-Project logo adds another distinctive detail to the muffler.
Durable Stainless Steel Headers
SC-Project manufactures the headers from SAE 304 stainless steel. The material provides the resistance and durability required for an exhaust system designed for performance use.
The system also uses handcrafted TIG welds and CNC-machined internal bushings made from solid blocks. These manufacturing methods reflect SC-Project’s focus on detailed construction.
Removable dB-Killer
The SC1-S features a removable dB-killer, giving riders two available sound configurations.
With the dB-killer installed, the system records 104 dB at 5,400 rpm. Without the dB-killer, the recorded level rises to 108 dB at 5,400 rpm.
The performance figures supplied by SC-Project were recorded without the dB-killer.
Carbon Fibre Heat Shield
The kit includes a high-quality carbon fibre heat shield. It complements the carbon fibre muffler and adds to the system’s race-inspired appearance.
The heat shield forms part of the supplied kit, so buyers receive it alongside the exhaust components.
Plug-and-Play Installation
SC-Project states that the installation is 100% plug and play. The system uses bracket mounting and includes the required exhaust components and hardware.
The system also remains compatible with the original belly pan, allowing it to work with the motorcycle’s existing configuration.
ECR and ECU Considerations
SC-Project recommends the ECR (Electronic Catalytic Remover) when removing the catalytic converter. Catalytic converter removal may trigger an ECU error or check engine light.
The ECR connects to the motorcycle’s OBD socket and manages the resulting electronic error. Its use helps restore the correct functionality of the motorcycle’s onboard electronic system.
SC-Project also recommends ECU remapping to achieve the best performance from the exhaust system.
Conclusion
The SC Project SC1-S Carbon exhaust 3-1 stainless steel full system for Street Triple 765 RS (2024-2025) combines a lightweight carbon fibre muffler with durable SAE 304 stainless steel headers. It delivers a claimed 5.0 hp power gain, 3.5 Nm torque gain, and 4.8 kg weight saving compared with the OEM exhaust.
The removable dB-killer provides two sound configurations, while the carbon fibre heat shield and asymmetric SC1-S design add a distinctive finish. With plug-and-play installation and compatibility with the original belly pan, this system offers a focused racing-oriented upgrade for the Street Triple 765 RS.


















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