Best Exhaust for WR450?

6 replies to this topic
  • Poway Rider

Posted June 22, 2003 - 05:23 AM


I've got a WR450 and would like suggestions on the best after market exhaust options. I would like the noise level to be legal, but most importantly - I want the best performance at all RPM levels with minimal or no re-jetting. Suggestions are appreciated. Thanks.

  • Dan_Lorenze

Posted June 22, 2003 - 08:43 AM


My father has the FMF "Q" pipe on his 450 and really likes it, it's pretty quiet too.

  • Poway Rider

Posted June 23, 2003 - 08:48 AM


Is that the same as a "FMF Powercore IV"?

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  • the426master

Posted June 23, 2003 - 10:03 AM


fmf is the a good buy I like the procircuit t4 :D exhaust systems :)

  • jim-in-so-ore

Posted June 23, 2003 - 10:26 AM


You steered me to Trickdualsport for my kit now,, What are you using for a desert tank on your WR450? I got a Ty Davis (IMS) tank and sent it back after trying to install it. I didn't like the right side fuel line right next to the exhaust pipe. Please help.

  • Poway Rider

Posted June 23, 2003 - 10:54 AM


Thanks. My biggest concern is having to re-jet after installing a new exhaust. It seems that many WR450 owners have struggled with re-jetting...

  • crushedreams

Posted June 23, 2003 - 04:19 PM


I have a thunder alley and it makes good power. Get the 96 db version mine is super loud.


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