03 yz450 exhaust

1 reply to this topic
  • jason_kent

Posted February 25, 2005 - 01:16 PM


Got a buddy with a 03 yz450 .........came across a good deal on a Big Gun full system. What are the advantages over stock if any. The head pipe (stock) is very bent but we were wondering if it is worth putting on the big gun. Thanks

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  • YZ400FPower

Posted February 25, 2005 - 08:17 PM


I have read some very good reviews on the Big Gun pipes :D ,but not for a Yz450F(rode a 400 with a big gun and was not blown away). I have a FMF Powerbomb header and a FMF PowerCore 4 silencer. I could not be happier :D :) :) :p ! Al-tho I have a 400 i could not imagine the gains on 450! I am a FMF guy but White Bros. is a very close second.You can get a full system from FMF for about $700-$800.And it comes with the Titanium 4 silencer.

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