SC Project SC1-R Slip On Exhaust Yamaha YZF-R9 (2025-26)

SC Project SC1-R Slip On Exhaust Yamaha YZF-R9 (2025-26)

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.

SC-Project exhausts are handmade right alongside the same exhausts you see on MotoGP bikes and at race tracks around the world. SC-Project is committed to putting race-quality performance, sound, and weight reduction in the hands of all motorcycle enthusiasts.

SC1-R silencer has been studied and developed by the SC-Project R&D department to be the new benchmark for the World Superbike Championship. The diamond hexagonal-shaped body is made of full titanium, and the outlet is in matte carbon fiber, which gives the SC1-R an aggressive racing look. The new SC1-R is the perfect synthesis of SC-Project's mission: to produce lightweight performance exhausts for the best race teams in the world. Performance, weight reduction, and sound with the excellence of a product designed and manufactured in Italy.

Aeronautical grade materials
Large-diameter exhaust outlet
Bike-specific exhaust mounting hardware included
24-month factory defect warranty
Optimized exhaust shape for high lean angles


This exhaust system features the 300mm silencer with a removable dB-killer.

Sound ratings:

101 dB at 5000 rpm with dB-killer installed
103 dB at 5000 rpm with dB-killer removed