will YZ450F 08-09 exhaust fit a 06-08 model?

2 replies to this topic
  • thefex

Posted June 08, 2015 - 06:11 AM



I trashed my YZ450F 2006-2008 exhaust. I`m searching for a used one in good condition. Will a muffler from 08-09 fit my bike?
Like this one:

thx for the help

Edited by thefex, June 08, 2015 - 06:13 AM.

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  • 15thumper

Posted June 08, 2015 - 06:18 AM


I got a full system off my 08 will fit 06-09 its mint condition was removed few hours for drd

  • grayracer513

Posted June 08, 2015 - 06:28 AM


The problem with answering your question is that there was never an "'06-'08 " model.  However, yes, in general, you can bolt up the exhaust from an '08-'09 to any '06 or '07.  The exhaust will REDUCE the amount of mid range power the bike has in return for your trouble by as much as 5 HP or more at around 5-6000 RPM.  The header is oversize for the engine, which was a compensation for the fact that the cute little muffler is outrageously restrictive. 


That's why you see so many for sale.  My recommendation is that you avoid them.

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