S1 Exhaust by SC-Project

PART NUMBER: KTM21-41

KTM21-41 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 Make/Model/Year KTM / 1390 Super Duke R / 2024, KTM / 1390 Super Duke R / 2025 Sold Per Kit Product Exhausts & Air Filters Brand SC-Project KTM2141 S1 KTM21 41 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

Vehicle Specific

CLICK HERE to confirm fitment

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

- PART NUMBER
  KTM21-41T
- Weight
  9.0000 lbs
Exhaust Version
Race Version
Exhaust Finish
Titanium, Matte Black Titanium
Exhaust End Cap
Matte Carbon Fiber
Exhaust Type
Slip-on Exhaust
Link Pipe Material
Titanium
dB Killer
Yes
Sound dB Rating
98 dB at 5000 rpm w/ dB killer - 102 dB at 5000 rpm w/out dB killer
Weight
-1,9 kg (SC 1,3 kg / OEM 3,2 kg )
Estimated Power Gains
+4,5 hp at 9000 rpm
Estimated Torque Gains
+3,5 Nm at 9000 rpm
Sold
Per Kit
Product
Exhausts & Air Filters
Brand
SC-Project

Fitment Type
Vehicle Specific

Make	Model	Year	Notes
KTM	1390 Super Duke R	2024
KTM	1390 Super Duke R	2025