450 pipe on 426 revisted


3 replies to this topic
  • devo1

Posted November 16, 2006 - 07:56 AM

#1

Originally Posted by yama426rider
so would a fmf factory 4.1 for a 450 fit my 426 and if so how loud are they?

You can fudge the FMF system into place on the 426, whether it's a full system, or a slip-on. The muffler isn't welded to the midpipe, and it mounts with a band clamp that can be positioned anywhere. The headers on the two bikes are the same, so as long as the 450 it came from is an '05 or older, the only point where you might have to do some filing is at the midpipe mount on the frame.

I'll guess that they run around 98-99db with good packing. Not great, but not nearly obnoxious, either.


Hey Gray
I'm needing a new silencer for the ol wr426. I'd like to install the Ti Powercore but they don't make it for 426's and it has a fixed mounting bracket. Should I take a chance see if it will fit or order the old style powercore IV.
Thanks
Devo

  • grayracer513

Posted November 16, 2006 - 08:58 AM

#2

I don't know for certain on that question. Maybe someone in the WR forum does.

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  • GreenKLX

Posted November 16, 2006 - 11:43 AM

#3

You could always remove the mount and use the clamp style mount to get it in the right position.

  • devo1

Posted November 16, 2006 - 12:38 PM

#4

You could always remove the mount and use the clamp style mount to get it in the right position.


That sounds like a good option. I like how the Ti PC doesn't stick out so far. If it won't work I'll install it on my YZ.:cheers:





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