exhaust fitments

i know there are probably already posts on this but i couldnt find any. Will a 2007-2009 yz250f slip on fit a 2007 450f. i am looking for a new pipe. i have a white bros carbon pro on right now but i need a spark arrestor and quieter pipe.

No, the header is too large. The only exception is if the pipe is made with a large midpipe and comes with sleeves to downsize to the proper size header, such as FMF does. If this is the case then they will say that is fits the 250F and 450F and for what years.

will the 2006 wr450 pipe fit the yz450

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