Designed to be used with the stock exhaust system to offer a power increase while allowing your muffler to pass the 96 dBA and 20 inches stationary test. This accessory may be restricted to closed course use only. Fits '05-'12 WR450F.
Designed to be used with the stock exhaust system to offer a power increase while allowing your muffler to pass the 96 dBA and 20 inches stationary test. This accessory may be restricted to closed course use only. Fits '05-'...
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