Description
SC-Project S1 Full System Exhaust - Yamaha MT-09 / MT-09 SP 2021-2026
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 World Superbike-derived design focused on performance and flow Tapered silencer with a large outlet diameter for enhanced exhaust airflow Conical body shape for proper back pressure and optimized lean-angle clearance MotoGP grade materials for strength, low weight, and heat resistance Bike-specific mounting hardware included for correct fit and clean installation 24-month factory defect warranty for peace of mind Race inspired design for aggressive sound and styling 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 +3,9 hp at 9500 rpm Torque +2,2 Nm at 9500 rpm Weight -3 kg (SC 4,2 kg / OEM 7,2 kg) Muffler body material SAE 304 stainless steel End cap material Carbon Fiber Header material SAE 304 stainless steel dB-killer Yes, removable Approval type Race Version Decibels without dB killer 113 dB at 5000 rpm Decibels with dB killer 107 dB at 5000 rpm Notes The purchase of SC-Project ECR ( Electronic Catalytic Remover ) is strongly recommended. With the removal of the catalytic converter, the motorcycle’s ECU could generate an error code. This device has been developed by SC-Project to correctly manage the removal of the catalytic converter.