SC-PROJECT | SC PROJECT Kawasaki Z900 (2025+) SC-Project S1 Titanium Exhaust System
SC Project S1 Titanium Exhaust for Z900 – Z900 A2 (2025-26)
Lightweight Titanium Performance
The SC Project S1 Titanium Exhaust for Z900 – Z900 A2 (2025-26) combines a high-grade titanium body with a carbon fibre end cap and titanium link pipe. It delivers up to +3.1 hp at 10700 rpm and +2 Nm of torque at 10700 rpm, while reducing weight by 2.3 kg compared with the OEM exhaust. The exhaust also meets Euro 5+ requirements for street-legal use. Visit our website for more parts and accessories of Kawasaki
The S1 slip-on muffler brings together lightweight construction, distinctive design and SC-Project’s characteristic sound. Its titanium construction also creates a clean and sporty appearance that complements the Z900.
High-Grade Titanium Construction
The S1 features a high-grade titanium body, a carbon fibre end cap and a titanium link pipe. The SC exhaust weighs 1.3 kg, compared with 3.6 kg for the OEM exhaust.
As a result, the exhaust provides a 2.3 kg weight reduction, representing a reduction of more than 60% compared with the OEM exhaust. The lightweight design adds to the overall character of the Z900.
Increased Power and Torque
The S1 provides a maximum power increase of +3.1 hp at 10700 rpm. It also delivers +2 Nm of torque at 10700 rpm.
In addition, the supplied information states that the exhaust provides a constant improvement in power and torque delivery across the low and mid range. Therefore, the S1 combines significant weight reduction with increased engine performance.
Deep and Aggressive Sound
SC-Project developed the S1 with its distinctive sound in mind. The exhaust enhances the voice of the Z900’s four-cylinder engine with a deep and aggressive tone.
At the same time, the exhaust remains in full compliance with Euro 5+ regulations, according to the supplied specifications. This gives the S1 its characteristic sound while maintaining its street-legal specification.
Sporty S1 Design
The S1 features a hyper-aggressive slash-cut outlet and a carbon fibre end cap. The hand-welded sector link pipe adds another distinctive detail to the exhaust design.
Furthermore, the muffler body features a laser-etched SC-Project logo. These details combine with the titanium construction to create a sporty appearance designed to complement the Z900.
Carbon Fibre Heat Protection
The kit includes a high-quality carbon fibre heat shield designed to completely replace the OEM part. This heat protection also enhances the appearance of the exhaust and Z900 setup.
Therefore, the supplied kit includes the S1 titanium muffler together with its dedicated carbon fibre heat shield.
Euro 5+ Street-Legal Specification
The exhaust comes with EC/ECE type approval and a type approval certificate. It is listed as street legal and Euro 5+ compliant.
This specification combines the S1’s lightweight construction, performance and distinctive sound with the supplied street-legal requirements.
Plug & Play Installation
The S1 uses a Slip-On configuration with bracket mounting. Installation is plug and play, and the supplied information confirms that ECU remapping is not required.
This makes the exhaust a straightforward replacement for the OEM setup on the specified Z900 and Z900 A2 models.
Performance Summary
The SC Project S1 Titanium Exhaust for Z900 – Z900 A2 (2025-26) combines a high-grade titanium body, carbon fibre end cap and titanium link pipe. It delivers +3.1 hp, +2 Nm and a 2.3 kg weight reduction compared with the OEM exhaust. Its Euro 5+ approval, included carbon fibre heat shield and plug-and-play installation complete the setup.
Key Features
- Line: Slip-On
- Body Material: Titanium
- End Cap Material: Carbon fibre
- Link Pipe Material: Titanium
- Mounting Type: Bracket
- Power Increase: +3.1 hp at 10700 rpm
- Torque Increase: +2 Nm at 10700 rpm
- Weight Reduction: 2.3 kg
- SC Weight: 1.3 kg
- OEM Weight: 3.6 kg
- Type Approval: Yes – Street legal – Euro 5+
- Type Approval Certificate: Yes
- Carbon Heat Protection: Included
