SC Project S1 Titanium Exhaust for Kawasaki ZX-4R-RR (2024-26)
S1 Racing Slip-On Exhaust
The SC Project S1 Titanium Exhaust for Kawasaki ZX-4R-RR (2024-26) combines lightweight construction, distinctive design and SC-Project signature sound. The S1 features a conical titanium body, carbon fibre end cap and titanium link pipe, creating a racing-focused exhaust for the Ninja ZX-4R-RR. Visit our website for more products Dirt Street.
Furthermore, the S1 delivers +5 hp at 13000 rpm and +3 Nm of torque at 13000 rpm. At just 1.4 kg, it weighs 2.9 kg less than the 4.3 kg OEM exhaust.
Lightweight Titanium Construction
The S1 uses an ultra-light titanium outer sleeve with a conical body shape. The design features a lasered SC-Project logo and an elegant carbon fibre end cap.
Moreover, the carbon fibre end cap has a carefully shaped design that complements the titanium body and gives the Kawasaki ZX-4R-RR a distinctive appearance.
Weight Reduction and Performance
The SC Project S1 provides a 2.9 kg weight reduction compared with the OEM exhaust. The SC-Project exhaust weighs 1.4 kg, while the OEM exhaust weighs 4.3 kg.
At the same time, the S1 delivers +5 hp at 13000 rpm and +3 Nm of torque at 13000 rpm. The supplied information also states a stable improvement in power and torque delivery in the low and mid range.
Racing Sound
The S1 racing muffler is designed for racing use only. It comes with a removable dB-killer, allowing the exhaust to provide different stated sound levels.
With the dB-killer installed, the sound level is 110 dB at 7250 rpm. Without the dB-killer, it reaches 116 dB at 7250 rpm.
Therefore, the removable dB-killer forms an important part of the S1 racing configuration.
TIG-Welded Construction
SC-Project uses TIG weldings handcrafted in a protected environment. Furthermore, the titanium outer sleeve and carbon fibre end cap combine lightweight materials with the detailed construction of the S1.
The conical shape, lasered logo and carbon fibre end cap also contribute to the exhaust’s distinctive appearance.
Plug-and-Play Installation
Installation is completely plug and play. Moreover, ECU remapping is not necessary according to the supplied product information.
The S1 uses a bracket mounting system and features a titanium link pipe, completing its slip-on configuration.
Why Choose This SC Project S1 Exhaust?
The SC Project S1 Titanium Exhaust for Kawasaki ZX-4R-RR (2024-26) combines a lightweight titanium body, carbon fibre end cap and racing-focused design.
Furthermore, it delivers +5 hp, +3 Nm of torque and a 2.9 kg weight reduction compared with the OEM exhaust. Its removable dB-killer, TIG-welded construction and plug-and-play installation complete the supplied specifications.
Performance Summary
The SC Project S1 Titanium Exhaust for Kawasaki ZX-4R-RR (2024-26) delivers +5 hp at 13000 rpm and +3 Nm at 13000 rpm, while reducing exhaust weight by 2.9 kg compared with the OEM system.
Furthermore, its titanium body, carbon fibre end cap, removable dB-killer and racing-focused design provide a distinctive setup for the Kawasaki ZX-4R-RR. The exhaust also offers plug-and-play installation without ECU remapping.






















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