FMF Powercore 4 or 4.1?


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  • kiessel24

Posted March 28, 2013 - 06:35 AM

#1

I have a 2010 yz450f and I need to find an exhaust with a spark arrestor. I'm looking at the Powercore 4 and the 4.1. What's the difference between these pipes and if anyone has one of these do you like it?




 
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