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The Competition line, totally designed and realised in the Arrow Special Parts R&D department, has been studied only for tuned bikes that will participate to racing events. This full exhaust system line represents the best of the Arrow production for competitions, granting the best performance together with the lightest weight possible: exhaust intermediate pipes are made of titanium to get the maximum of lightness; the header collectors are made of a special stainless steel of 0,8 mm thickness that insure non-deformability, performances and time resistance. All these exhaust systems are equipped with the lambda sensor plug that helps on setting up the carburation (essential in all competitions). The exhaust silencer has a titanium sleeve with conical internal net that provides the best performance, while the noise level complies with the rules adopted in the different classes of competition (F.I.M.). The conicity of the pipes, the length, the diameter, etc. are different from those of the standard production; they are carefully checked and tested because the exhaust system performance depends on them, especially if used with racing purposes.