FMF Factory 4.1 RCT Exhaust System TITANIUM BLUE YZ250F 19-20 044457

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FMF Factory 4.1 RCT Exhaust System Yamaha YZ250F 19-20 044457

YAMAHA YZ250F YZ-250F YZ 250F 250 YZ250
19 2019 20 2020
 
TITANIUM HEADER & BLUE TITANIUM MUFFLER W CARBON FIBER CF END CAP

FMF Factory 4.1 RCT Exhaust System Yamaha YZ250F

The FMF Factory 4.1 RCT full system is constructed from aerospace-grade materials that meet FMF's exacting specifications and is 100% manufactured in their Southern California factory. The patented MegaBomb header design allows exhaust gases to expand, cool and ramp back up at a higher velocity. This results in torque gains typically associated with longer headers, and the healthy over-rev of a short header. The muffler itself is shorter than OEM mufflers, making it less susceptible to crash damage and complements the centralized mass design by moving it closer to the motor. The rear end cap was engineered for fast and easy tuning by utilizing a retaining ring to keep the standard and optional inserts in place.

Features:

  • Massive power gains throughout the RPM range
  • Huge weight savings over stock exhaust
  • RTS (Rapid Tuning System) for quick and easy track-side tuning
  • Removable spark arrestor included
  • Quiet insert sold separately 
  • Meets AMA and FIM sound requirements 
  • 100% made in the USA

Weight:

  • Stainless Steel / Aluminum / Carbon end cap 7.3 lbs
  • Titanium / Carbon end cap 5.4 lbs

Made in the USA