The complete Thunder line is a blend of design and technology, available in stainless steel or carbon fiber.

• CE/ECE-approved muffler (Euro3 - Euro 4 - Euro 5 standards)
• EC-approved catalytic stainless steel manifold (Euro 4 standards) low version
  
• Material: Alu
  
• Carbon tip

Features and max. gains:

• + 3 hp ( 67 hp > 70 hp )
• + 1.86 Nm (64.63 Nm > 66.49 Nm)
• - 3.33 klgs ( 7.2 klgs > 3.87 klgs )
• + 2 db ( 91 db > 93 db )