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mxpanda

2006 YZ450 Head Pipe Needs Replaced, Need HELP!

8 posts in this topic

My head pipe is cracked and I need to get a new one ASAP. Wanted to know what different years would fit my bike. Any help is greatly appreciated.

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'06 is the only one that's completely identical. '07 can be made to fit (outlet diameter is different), but the performance may be changed. Likewise an '08/9.

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I have come across an 08 head pipe advertised as being able to fit on an 06. Is this completely untrue?

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I believe the '08 will fit, depending on the muffler/mid pipe you have. Check the outlet diameter of yours against an '08 at the dealer.

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03-06 will all fit with the stock 06 silencer. 07-09 have a larger diameter at the midpipe joint, but will work with an 07-09 silencer.

Also, if you want more options, the header for an 03-07 WR450F, or any YFZ450 (quad) header up to 08 will also fit. The quad had the same header as the 03-06 YZ450F, however it was stainless steel instead of titanium (if you like the stock header but want stainless)

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Buy a stainless steel one from FMF. Should cost about $100 bucks and can't dent them easily.

While I agree that the FMF stainless steel powerbomb header is an improvement over stock in both performance and durability, they cost closer to $200. If you want to save money and don't mind stock, you can find stock ones on ebay all day long for very little money.

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