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bloussant

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About bloussant

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    California
  1. I've got an '01 YZ426F with a White Brothers R4 muffler, and it's pretty loud....guessing over 100db's. WB makes a Quiet Core II insert that's advertised to quiet it down 5-6 decibels. Anyone try this out and pass the 96db test? If not, any other ideas to get the R4 and YZ426 to pass the 96db test, or should I just give up on the R4?
  2. I've got an '01 YZ426F with a White Brothers R4 muffler, and it's pretty loud....guessing over 100db's. WB makes a Quiet Core II insert that's advertised to quiet it down 5-6 decibels. Anyone try this out and pass the 96db test? If not, any other ideas to get the R4 and YZ426 to pass the 96db test, or should I just give up on the R4?
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