FACTORY 4.1 RCT SLIP-ON MUFFLER STAINLESS STEEL & TITANIUM BLUE YAMAHA

The Factory 4.1 RCT incorporates FMF’s Resonance Chamber Technology™ both internally and externally
In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering – moving the muffler closer to the motor to centralize mass
The Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory
Massive Power gains throughout the RPM range.
Huge weight savings
RTS (Rapid Tuning System)
Brand
FMF
Vendor part number
044400
End Cap Material
Carbon Fiber
End Cap Style
Euro
Model
Factory 4.1 RCT
Muffler Color/Finish
Anodized Blue
Muffler Material
Titanium
Pipe Material
Stainless Steel
Product Name
Muffler
Style
Oval
Type
Slip-On
Units
Each
Weight
2,27 kg (5 lb)YAMAHA YFZ 450 R 2024 ALL
YAMAHA YFZ 450 R 2023 ALL
YAMAHA YFZ 450 R 2022 ALL
YAMAHA YFZ 450 R 2021 ALL
YAMAHA YFZ 450 R 2020 ALL
YAMAHA YFZ 450 R 2019 ALL
YAMAHA YFZ 450 R 2018 AMERICA
YAMAHA YFZ 450 R 2017 AMERICA
YAMAHA YFZ 450 R 2016 EUROPE
YAMAHA YFZ 450 R 2015 AMERICA
YAMAHA YFZ 450 R 2015 EUROPE
YAMAHA YFZ 450 R 2014 AMERICA
YAMAHA YFZ 450 R 2014 EUROPE
YAMAHA YFZ 450 R 2013 AMERICA
YAMAHA YFZ 450 R 2013 EUROPE
YAMAHA YFZ 450 R 2012 AMERICA
YAMAHA YFZ 450 R 2012 EUROPE
YAMAHA YFZ 450 R 2011 AMERICA
YAMAHA YFZ 450 R 2010 AMERICA
YAMAHA YFZ 450 R 2009 AMERICA
YAMAHA YFZ 450 RSE 2020 ALL
YAMAHA YFZ 450 RSE 2019 ALL
YAMAHA YFZ 450 RSE 2018 AMERICA
YAMAHA YFZ 450 RSE 2017 AMERICA
YAMAHA YFZ 450 RSE 2016 EUROPE
YAMAHA YFZ 450 RSE 2016 AMERICA
YAMAHA YFZ 450 RSE 2015 AMERICA
YAMAHA YFZ 450 RSE 2015 EUROPE
YAMAHA YFZ 450 RSE 2014 AMERICA
YAMAHA YFZ 450 RSE 2014 EUROPE
YAMAHA YFZ 450 RSE 2013 AMERICA
YAMAHA YFZ 450 RSE 2013 EUROPE
YAMAHA YFZ 450 RSE 2012 AMERICA
YAMAHA YFZ 450 RSE 2012 EUROPE
YAMAHA YFZ 450 RSE 2011 AMERICA
YAMAHA YFZ 450 RSE 2010 AMERICA
YAMAHA YFZ 450 RSE 2009 AMERICA
YAMAHA YFZ 450 X 2011 AMERICA
YAMAHA YFZ 450 X 2010 AMERICA
YAMAHA YFZ 450 XBB 2010 AMERICA
YAMAHA YFZ 450 XSE 2011 AMERICA