exhaust question

4 replies to this topic
  • bk_yzf400

Posted January 24, 2006 - 08:47 PM


will the back section of the exhaust on an 03' 450 fit a 98' 400?

  • phat_450f

Posted January 24, 2006 - 09:36 PM


if your willing to fabricae a mounting bracket.....

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  • bk_yzf400

Posted January 25, 2006 - 06:53 PM


Would that be hard to do?

  • jjjyz450f

Posted January 25, 2006 - 07:23 PM


My friend has a 1999 yz400f. I put my 2004 yz450f full exhaust on his bike with little mods. I had to drill out the header flange holes ( one side or the other just a little ) and had to open up the hole on the muffler braket that bolts to the subframe. I don't think you can use the yz400f header on the yz450f mid pipe/muffler combo. The headers are 2 different sizes were they connect at the mid pipe. Good luck!

  • bk_yzf400

Posted January 25, 2006 - 08:16 PM


That doesnt sound to bad. thanks!

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