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racing sound as the revs rise
Specially formulated ink stays on
with a newly designed sensor
Built to hold all the on-the-road essentials and still fit into Biltwell's EXFIL-7 bag
Two upper chest external pockets
YRD RS4 SLIP-ON KAW KX450F '19 WORKS EDITION GLOVES racing sound as the revsDescription: 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
