Seller notes

HMF SLIP ON EXHAUST YAMAHA YFZ450R (2009-Current) SKU: 041413606183 COLOR: BLACK ENDCAP: BLACK, ROUND EURO Description: The single 4” aluminum silencers picks up about 5 hp and 3 ft-lbs with a significant increase in sound and much better tone than the stock exhaust. Available in multiple colored shells and end caps to match or compliment the factory colors this system is significantly lighter than the stock silencer and includes the HMF silencer, hardware, and mid-pipe to connect to the facto...

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