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air vents and fully adjustable elastic headband
Power and torque levels have been increased with an extra 1
Gauges (Speedo
yoke and rib cuffs
2017-2020 BMW S1000R
RS-4 HEADER/CANISTER/END CAP EXHAUST SLIP-ON SS-AL-CF Fox air vents and fully adjustableDescription: RS 4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage. Features: Pentagonal shaped muffler Maximized internal volume Polyresonant duplex front chamber Stepped, two stage core baffle Spark Arrestor Sound
