FMF Factory 4


3 replies to this topic
  • silveradoss

Posted April 20, 2004 - 03:14 PM

#1

Just a little FYI, I threw my Factory 4 on today and it fit like a glove, It's about 4 inches shorter than stock and a couple pounds lighter and its anodized blue :) It sounds a little louder than stock but I just putted around the yard, I'll get a good ride in this weekend to really see how loud it is. Like I said just a little FYI.

  • revolucien

Posted April 20, 2004 - 04:51 PM

#2

I put mine on a couple weeks ago and it hits sweet. Like you said a little louder but, you can definitely feel the weight difference, specially in the air. :)

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • Sean_McCutcheon

Posted April 21, 2004 - 01:49 AM

#3

Did you guys just put the silencer on or did you put the FMF header pipe on too?

  • revolucien

Posted April 21, 2004 - 05:22 AM

#4

did the whole deal and used the 165 mainjet i'm in new orleans so i'd consider that below sea level :) i used the power bomb before on my 426 and it made a difference even without changing the silencer





Related Content

Forums
Photo

Should I buy this bike? help....... by Numsa Hul


Dirt Bike   General Dirt Bike Forums   What bike should I buy?
  • * * * * *
  • 10 replies
Wiki
WR Camshaft Swap Info - last post by jamesm113

WR Camshaft Swap Info


Articles
  • 0 replies
Forums
Photo

Megabomb Fitment by 288yz450


Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • 1 reply
Forums
Photo

Snake pit oct 30th by The Anvil


Dirt Bike   Dirt Bike Regional Discussion   California
  • Hot  293 replies
Forums
Photo

05 yz450f not fast enough by RedeyeYZ


Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • Hot  38 replies
 
x

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.