wr426 header fit a wr400 stock silencer?

Will a wr426 stock header fit my wr400 with the stock wr400 silencer? I originally went looking because my heat shield was thrashed, and the 426 heat shield jmathis gave me didn't line up (thanks anyway John). Upon searching I realized that the 426 header enables easier oil filter access as well, so I'm looking to swap for that reason too. Thanks in advance for any replies. -Jerry :thumbsup:

yes they fit together fine but you need to find a 2001 or 2002 yz or wr headpipe. The 2000 headpipe runs right in the way of the filter.

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