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S1 Slip-on Exhaust by SC-Project

PART NUMBER: K44-T41T

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

0.0
SC-Project
Vehicle Specific
CLICK HERE to confirm fitment
  • $728.00
HAND MADE IN ITALY - 4-5 Week Build Time

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
+1,1 hp at 8500 rpm
Torque
+0,6 Nm at 7200 rpm
Weight
-4,5kg (SC 1,3kg / OEM 5,8kg )
Muffler body materialTitanium
End cap material
Carbon Fiber
Link pipe material
Titanium
dB-killerYes
Approval typeStreet Version
NotesInstallation is plug & play; No need for ECU remapping

 


    • PART NUMBER
      K44-T41T
    • Weight
      9.0000 lbs
  • Exhaust Finish
    Matte Black Titanium, Titanium
  • Sold
    Per Kit
  • Product
    Exhausts
  • Brand
    SC-Project
  • Fitment Type
    Vehicle Specific
MakeModelYearNotes
KawasakiZ11002027
KawasakiZ11002026


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