The Thunder range is a blend of design and technology. The difference lies in the design of the rear tips, available in stainless steel or carbon fibre, to balance the reduced volume.
Interesting power and torque gain. Exceptional sound.

• CE/ECE approved silencer (Euro 4 standards)
  
• Material: Aluminium
  
• Carbon tip
  

Specifications and maximum gains:

• + 1.50 hp (36 hp > 37.5 hp)
• + 0.98 Nm (26.67 Nm > 27.65 Nm)
• - 1.13 kg (2.8 kg > 1.67 kg)
• + 2 dB (88 dB > 90 dB)