400 exhaust help

2 replies to this topic
  • jssparks

Posted December 31, 2008 - 04:19 PM


can you run a 2003-05 yzf450 fmf megabomb header on a 99 400? if so what mods do you have to do?

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  • freetimeod

Posted December 31, 2008 - 05:14 PM


I am told no, the bolt brackets do not match up.

  • grayracer513

Posted January 01, 2009 - 01:24 AM


Yes, IF the header outlet diameter is compatible with the muffler/mid pipe used.

There are no brackets on a header to line up.

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