426/450 compatability


6 replies to this topic
  • soco3594

Posted June 27, 2008 - 01:52 AM

#1

Hey guys. I know this has been brought up a million times but I need to know if a stock wr450 pipe will fit on my 01 wr426. I have been through previous threads but every one seems to have a different opinion to please only post if you know for sure.

The reason I ask is because I cant take the end cap off the stock 426 exhaust to remove the baffles and Im a litle short on cash for an aftermarket pipe.

Thanks

  • R_Little

Posted June 27, 2008 - 06:44 AM

#2

The 400s and 426's interchange most stuff...the 450 was a completely new bike, other than the suspension and wheels I doub anything else will fit. The motor and frame are different.

  • jdavisjp

Posted June 27, 2008 - 01:26 PM

#3

Why can't you take the end cap off? Have you already remaoved the pee shooter? That alone made a huge diffrence on my 426.

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  • SJMC_DON

Posted June 27, 2008 - 02:52 PM

#4

If the 450 is from the steel framed era (06' or older), then yes, they are interchangeable, there may be the slightest of modification needed on the rear mount. I took my stocker off of my 04' 450 and mounted it up to my 426.. I had to hog out the bolt hole on the rear mount tab of the pipe about an 1/8'', other than that everything fit nicely:thumbsup:

07' or newer will probably not work on the 426.

Good Luck:ride:

  • soco3594

Posted June 27, 2008 - 04:19 PM

#5

thanks mate. Looking at one on ebay now so Ill find out what year model its from. Jdavisjp, I cant take the end cap off because its welded on and I haven't got any gear to weld it back up with if I cut it to pieces

  • jdavisjp

Posted June 27, 2008 - 05:15 PM

#6

The end cap on my stock wr426 has three bolts in it that's why I was asking.

  • maxtherat

Posted June 27, 2008 - 07:59 PM

#7

Keep us posted on the fit. I just noticed that FMF lists a Q4 for the 400/426. I'm just curious if it is as short as the on for the 03-06. This must be something new, I have never seen this on thier site until last night.




 
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