Header pipes 09 YZ450


4 replies to this topic
  • TRIPLE 5

Posted February 18, 2010 - 03:41 AM

#1

Has anyone tried to use the FMF power bomb (supercross) header with stock muffler? Hows it compare to stock? Any info would be great.:ride:

  • grayracer513

Posted February 18, 2010 - 09:09 AM

#2

Going out on a limb here in saying that I seriously doubt anything will work with an unmodified stock '08-'09 muffler.

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  • TRIPLE 5

Posted February 18, 2010 - 03:30 PM

#3

Just trying to keep that shorty look.:ride: I know if I get into the inside and do some customizing it's going to be way to loud.:ride:

  • washel157

Posted February 18, 2010 - 05:02 PM

#4

Forget about the header, you got to get rid of that muffler. I got rid of that whole system 5 minutes after I unloaded it from the dealer.

  • dvn

Posted February 18, 2010 - 06:52 PM

#5

Just trying to keep that shorty look.:ride: I know if I get into the inside and do some customizing it's going to be way to loud.:ride:


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