

Polini FOR RACE 4 exhaust systems have been redesigned to keep up with the times. The design is specific for the latest generation scooter engines. The expansion line, very attractive, has been completely changed, making it much more similar to that of the Big Evolution exhausts. In this way, it has been possible to work using telemetry and the data collected on all the Polini Italian Cup tracks to develop and improve the engine's performance to the maximum, both in acceleration and power delivery. The expansion is underway composed of 7 sections of different sizes welded together. completely by hand (1 more compared to the previous model). The new line also allows easy mounting of the Polini TorsenWD fork. The Black silencer, made of light alloy, laser printed, has a direct discharge interior space and can be disassembled to replace the noise-absorbing material.
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