FMF Factory 4.1 RCT Slip-On Exhaust for 2012 WR450F


2 replies to this topic
  • lachie11

Posted March 20, 2014 - 01:39 AM

#1

I own a 2012 WR450 and am in need of a slip on exhaust, 2012 models already have the megabomb header stock so i only need a slip on. Is there anyway of fitting a FMF Factory 4.1 RCT Slip-On on a wr450? if not i will stick with the fmf powercore 4 but from my understanding the factory 4.1 is better? 

 

this on fits yz450 and im not sure if they have the same dimensions as a wr, 

 

http://www.ebay.com....ad1e2eb7&_uhb=1

 

im also getting the tuner so what map would be used for the factory 4.1? 

 

thanks guys, and i apologise if this question has already been asked but i cant seem to find it! 



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  • Navaho6

Posted March 20, 2014 - 10:35 AM

#2

FMF site does not list the Factory 4.1 for the WR, therefore I presume it will not work

 

http://www.fmfracing...2_YAMAHA_WR450F



  • funt

Posted March 20, 2014 - 02:17 PM

#3

I think an 06-09 yz450 pipe would work.  You might need some kind of gasket to make it fit on the header, I'm not sure if it would come with the right one.






 
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