SC-Project SC1-R 2:1 Full Exhaust 2021-2022 Aprilia RS660 / Tuono 660


Due to regional restrictions we are only able to ship SC-Project exhaust systems within the USA.

Please allow estimated 2-3 weeks lead time on special order. 


The full-system is the result of the research, development and design work started by the SC-Project R&D department for the Aprilia Racing RS 660 Trophy.

The complete exhaust system, designed for the Aprilia RS 660, is compatible with the original lambda probe and is built with top-level technical solutions such as TIG welding performed in a controlled environment and the use of CNC machined billet bushings. These give the exhaust system perfect couplings that make it easier to assemble and improve performance. The lightening of the kit guarantees better handling of the bike.

The variable size headers, made of AISI 304 stainless steel, ensure a strong performance increase both in terms of torque and maximum power throughout the curve. The removal of the original catalyst allows an important reduction of the operating temperature.

The use of the SC1-R muffler, available in both titanium and carbon, gives a deep and dark sound to this bike.

  • Line: Full Exhaust System 2-1
  • Headers Material:  Stainless steel AISI 304
  • Body Material: Carbon / Titanium
  • End Cap Material: Carbon
  • Frame attachment: Bracket
  • DB-Killer: Yes
  • Lambda probe: Yes
  • Homologation – EC,
  • TUV approved: No
  • Weight: -2 Kg (Stock 6,4 kg / SC 4,4 Kg)
  • Power: +3,6 hp @9250 rpm
  • Torque: +2,7 Nm @9250 rpm
  • Noise level: 101 dB @ 5250 rpm (with Db-killer) 105 dB @ 5250 rpm (without Db-killer)

Made in Italy

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