SC1-R Slip-on Exhaust by SC-Project

PART NUMBER: K44-T90C

XXX-SC1R SC1-R Exhaust by SC-Project SC-Project is a race-tested and race-proven Italian exhaust manufacturer. SC-Project uses their 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 World Superbike Championship. The diamond hexagonal-shaped body is made in full titanium and the outlet is in matte carbon fiber that gives to the SC1-R an aggressive racing look. The new SC1-R is the perfect synthesis of SC-Project's mission: 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 Sold Per Kit Product Type Exhausts Brand SC-Project XXXSC1R SC1R XXX SC1R SC1 R SCProject SCProject SC Project SC Project racetested race tested raceproven race proven SCProject SC Project performance. SCProject performance. SC Project racequality race quality enthusiasts. SC1R enthusiasts. SC1 R hexagonalshaped hexagonal shaped SC1R SC1 R SCProject's SC Project's materials Largediameter materials Large diameter outlet Bikespecific outlet Bike specific SCProject SC Project

Vehicle Specific

CLICK HERE to confirm fitment

Bring authentic race-track engineering to your bike with the SC-Project SC1-R Exhaust—a premium Italian system developed from the same competition mindset that powers SC-Project’s presence in MotoGP, Moto2, Moto3, and Superbike World Championship. Built to deliver performance gains, weight reduction, and an aggressive race sound, the SC1-R is engineered for riders who want a true WorldSBK-inspired upgrade—without compromise.

Handmade in Italy with racing-level craftsmanship, the SC1-R was studied and developed by the SC-Project R&D department with the goal of setting a new benchmark in World Superbike Championship performance and style. Its standout diamond/hexagonal-profile silencer body is constructed in full titanium, while the matte carbon fiber outlet adds a sharp, modern race aesthetic. The result is the perfect synthesis of SC-Project’s mission: delivering race team quality performance, sound, and weight savings to street and track enthusiasts alike.

Why riders choose the SC-Project SC1-R

WorldSBK-inspired R&D focused on performance, weight reduction, and sound
Unique diamond/hexagonal silencer body for lightweight strength and a premium race look
Matte carbon fiber outlet for aggressive styling and heat resilience
Large-diameter exhaust outlet for strong flow and a competition-ready appearance
Optimized exhaust shape for high lean angles and improved ground clearance
Carbon fiber heat shield for added protection and a factory race finish (where applicable)
Bike-specific mounting hardware included for precise fitment and clean installation
24-month factory defect warranty for added confidence
Tunable sound output with dB killer

Race quality—made in Italy

If you want an exhaust that looks, sounds, and performs as it belongs in the paddock, the SC-Project SC1-R delivers: Italian craftsmanship, WorldSBK-derived design, and unmistakable SC-Project presence every time you ride.

Power	+1,9 hp at 8800 rpm
Torque	+0,8 Nm at 7400 rpm
Weight	-3,6kg (SC 2,2kg / OEM 5,8kg )
Muffler body material	Carbon Fiber
End cap material	Carbon Fiber
Link pipe material	Titanium
Approval type	Street Version
Notes	Installation is plug & play; ECU remapping is not necessary

- PART NUMBER
  K44-T90C
- Weight
  9.0000 lbs
Exhaust Finish
Matte Carbon Fiber, Titanium
Sold
Per Kit
Product
Exhausts
Brand
SC-Project

Fitment Type
Vehicle Specific

Make	Model	Year	Notes
Kawasaki	Z1100	2027
Kawasaki	Z1100	2026