Léovince presents the Factory S silencers with a carbon cap:

• Material: stainless steel or carbon (depending on availability)
• Carbon end cap to reduce the weight of the motorcycle silencer
  
• The silencer collar is made with 5 layers of high-strength pre-impregnated carbon, UV-resistant and with variable thickness.
• The inside of the silencer includes two layers of glass wool and a stainless steel mesh that protects it from gases up to a temperature of 900° C.
• Weight: stainless steel 2.73 kg (-2.94 kg compared to the original) / carbon: 2.5 kg (-3.17 kg compared to the original)
  
• Not CE approved
• For track use only