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asymmetrical shaped RS-12 profile maximizes muffler volume
Specially formulated to provide the highest performance under racing conditions where braking systems must operate at very high temperatures
while maintaining optimum fuel economy
1989 Yamaha YZ490
‡ High output stator includes a Lighting Coil
AIR FILTER 715-1115 asymmetrical shaped RS-12 profile maximizesPurpose built for racing, intended for closed course and competition use only Designed to increase power Two ply cotton race filter media Fewer pleats than standard K&N replacement air filters Washable and reusable Fits directly in OE airbox Fuel management modifications may be necessary K&N One year limited warranty
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