FMF 4.1 Full Exhaust Blue Carbon End Cap Chad Wienen Yamaha YFZ450R


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  • The FMF 4.1 Chad Wienen Full Exhaust for the Yamaha YFZ450R
  • The chamber is designed to enhance and refine exhaust pressure.
  • The exhaust is tuned with optimized core specifications and comes with the quality, craftsmanship and performance expected from FMF.
  • Meets AMA and FIM sound requirements, Quiet Insert: 94dB Insert (included)
  • Construction: Titanium, Midpipe: Stainless Steel, Endcap: Carbon Fiber