SC Project Kawasaki Z1100 (2025 Onwards) SC1-R Tiatnium – K44A-T90T
Overview
The SC Project Kawasaki Z1100 (2025 Onwards) SC1-R Tiatnium – K44A-T90T by Sc Project.
Overview
The SC-Project SC1-R slip-on muffler is engineered specifically for the 2025 and newer Kawasaki Z1100. This advanced exhaust system enhances the Sugomi naked concept by providing a weight reduction of over 60% compared to the stock unit while improving engine performance across the low and mid-range power bands.
Key Features
- Advanced Materials: Constructed with a high-grade titanium body, lightweight carbon fiber end cap, and a durable titanium link pipe.
- Performance Optimization: Delivers a maximum increase of 1.9 hp at 8800 rpm and 0.8 Nm of torque at 7400 rpm.
- Precision Engineering: Features handcrafted TIG welding and an asymmetrical hydroformed outlet for superior flow and aesthetics.
- Plug-and-Play: Designed for simple installation without the need for ECU remapping.
- Signature Sound: Enhances the 4-cylinder engine note with deep, aggressive tones that remain fully compliant with noise regulations.
Specifications
| Product | SC-Project SC1-R Titanium |
| Compatibility | Kawasaki Z1100 (2025 onwards) |
| Power Increase | +1.9 hp at 8800 rpm |
| Torque Increase | +0.8 Nm at 7400 rpm |
| SC Exhaust Weight | 2.2 kg |
| OEM Exhaust Weight | 5.8 kg |
| Weight Reduction | 3.6 kg |
| Body Material | Titanium |
| End Cap Material | Carbon fibre |
| Link Pipe Material | Titanium |
| Mounting Type | Bracket |
Certifications & Approvals
- EC/ECE Type Approved
- Street Legal: Yes
- Emission Standard: Euro 5+
- Includes Type Approval Certificate and Homologation card
FAQ
Q: Is ECU remapping required after installation?
A: No, the system is plug-and-play and does not require ECU remapping.
Q: Is this exhaust legal for street use?
A: Yes, the SC1-R is fully EC/ECE type-approved and compliant with Euro 5+ emission standards.
Q: What is included in the kit?
A: The kit includes the slip-on muffler, springs, screws, SC-Project stickers, the homologation card, and the 24-month official SC-Project warranty.
Why Choose This Product
Choosing the SC1-R for your Kawasaki Z1100 ensures you are getting a product designed for the latest generation of Japanese naked bikes. By combining a 3.6 kg weight savings with a refined, aggressive sound and certified street legality, it offers a balanced upgrade that improves both the handling and the engine response of your motorcycle without compromising reliability.
Use Cases
- Enhancing the power delivery of the Z1100 for spirited street riding.
- Reducing the overall bike weight for improved agility.
- Upgrading to a premium, race-inspired aesthetic while remaining compliant with local road laws.
Experience the quality and innovation of Sc Project with the SC Project Kawasaki Z1100 (2025 Onwards) SC1-R Tiatnium – K44A-T90T.

















































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