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View Full Version : any way to quiet my pipe down a little?



sideways
05-10-2007, 04:11 PM
im running a hmf powercoreIV on my 400ex and i was wondering if there is any way to quiet it down a little. maybe replace the packing? new area, faster cops, less riding

400eXr1d3rZ
05-10-2007, 04:45 PM
Find out if FMF sells a quiet-core, or repack it.