S3 Parts - Exhaust Valve Regulator Color:Red This smartphone app helps you

This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — that indicate the position and speed of approaching cars

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CE tested and certified protection that scores a total of 11 points in the Leatt protection rating system

S3 Parts - Exhaust Valve Regulator Color:Red This smartphone app helps youThe S3 exhaust valve regulator will make you discover and enjoy your engine thanks to the control of your exhaust valve actuated easily and with your own hand. Its totally intuitive operation and suitable for any type of pilot, situation and terrain, will make you notice a VERY BIG change in engine reaction on the spot, being able to vary it in seconds even with the engine running without the need for tools and without damaging the system. Ease of