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SC1-R Full System Exhaust by SC-Project

PART NUMBER: Y43-ATC91C
5.0
SC-Project
Vehicle Specific
CLICK HERE to confirm vehicle fitment
  • $1904.00
HAND MADE IN ITALY - 3-5 Week Build Time

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 like 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
+6,5 hp at 9500 rpm
Torque
+4,5 Nm at 9500 rpm
Weight
-2,8 kg (SC 4,5 kg / OEM 7,3 kg)
Muffler body materialCarbon Fiber
End cap material
Carbon Fiber
Header materialSAE 304 stainless steel
Link pipe material
Titanium
dB-killerYes, removable
Approval typeRace Version
Decibels without dB killer103 dB at 5000 rpm
Decibels with dB killer
101 dB at 5000 rpm
NotesThe 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.

 

    • PART NUMBER
      Y43-ATC91C
  • Exhaust Finish
    Matte Carbon Fiber, Titanium
  • Sold
    Per Kit
  • Product Type
    Exhausts
  • Brand
    SC-Project
  • Fitment Type
    Vehicle Specific
MakeModelYearNotes
YamahaYZF-R92025
YamahaYZF-R92026

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