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xxx-s1 S1 Exhaust by SC-Project SC-Project is a race-tested and race-proven Italian exhaust manufacturer. SC-Project uses its MotoGP, Moto3, Moto2, and Superbike racing experience to push the limits and develop the highest level of exhaust performance. The SC-Project S1 exhaust is a tapered exhaust with a large outlet diameter for enhanced exhaust airflow. The S1 performance is based on technology directly developed in World Superbike racing. The silencer body features a conical shape for proper back pressure and optimal ground clearance during extreme lean angles. Aeronautical grade materials Large-diameter exhaust outlet Bike-specific exhaust mounting hardware included 24-month factory defect warranty Racing inspired design Sold Per Kit Product Exhausts & Air Filters Brand SC-Project xxxs1 S1 xxx s1 S1 SCProject SCProject SC Project SC Project racetested race tested raceproven race proven SCProject SC Project materials Largediameter materials Large diameter outlet Bikespecific outlet Bike specific included 24month included 24 month SCProject SC Project
Unlock race-developed performance with the SC-Project S1 Exhaust—a premium Italian system engineered by a manufacturer proven at the highest levels of motorcycle racing. With development roots in MotoGP, Moto2, Moto3, and Superbike World Championship, SC-Project uses real-world competition feedback to refine exhaust flow, fit, and durability for aggressive street and track riders.
The S1 is a tapered, race-inspired exhaust designed around World Superbike technology for strong performance and an unmistakable track look. A large-diameter outlet promotes enhanced exhaust flow, while the conical silencer body helps maintain proper back pressure—supporting responsive throttle feel and a crisp, performance-focused character. The S1’s conical profile is also built to improve ground clearance, giving riders more confidence during extreme lean angles.
Why riders choose the SC-Project S1
Built for hard riding
From canyon carving to track sessions, the SC-Project S1 Exhaust is made for riders who want race engineering, high-clearance fitment, and aggressive performance aesthetics—without compromise.
| Power | +1,1 hp at 8500 rpm |
| Torque | +0,6 Nm at 7200 rpm |
| Weight | -4,5kg (SC 1,3kg / OEM 5,8kg ) |
| Muffler body material | Titanium |
| End cap material | Carbon Fiber |
| Link pipe material | Titanium |
| dB-killer | Yes |
| Approval type | Street Version |
| Notes | Installation is plug & play; No need for ECU remapping |