09 trx450r airbox lid & exhaust question?



1 reply to this topic
  • GeorgeO

Posted 23 April 2012 - 10:09 AM

#1

I just bought a bone stock 09 450r and was wondering what is the best airbox lid for getting more air but not killing my engine in a high dust riding area. my second question is does the hrc exhaust tip make any noticable power difference, I was just going to put one on for the time being.I eventually was thinking of an FMF exhaust, are they any good for quads, and if so which one do I get. thanks

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  • cataway

Posted 23 April 2012 - 05:37 PM

#2

from the dyno charts i've seen you want a Barker,  send the head to RE for porting





 
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