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FMF Factory 4.1 RCT Muffler - 044399

  • Part #:
    436267
  • Manufacturer Part #:
    044399

MSRP Price: $424.99

Our Price: $382.49

You Save:
$42.50 (10%)

Overview of FMF Factory 4.1 RCT Muffler - 044399

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our Southern California factory.
  • Features stainless steel midpipe, natural aluminum canister and stainless steel end cap
  • Massive Power gains throughout the RPM range
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards
  • Can be used with FMF or Stock OEM Header


Note: For Closed Course Competition Use Only. Not Intended for Street Use.

Included Items:
(1) Aluminum mufflers with stainless steel mid-pipe and endcap
(1) Stainless steel pipe with sleeve (installed)
(1) Aluminum spacer
(2) Springs
(1) 8mm-1.25 x 45mm flange head bolt
(1) 8mm-1.25 x 30mm hex head bolt
Instructions

Specs for FMF Factory 4.1 RCT Muffler - 044399

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 8.90 lbs

Specs for FMF Factory 4.1 RCT Muffler - 044399

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 8.90 lbs

Fitment for FMF Factory 4.1 RCT Muffler - 044399

See if this part fits your ride

Part 436267 fits the following machines

Yamaha
  • 2017 Yamaha YFZ450R
  • 2016 Yamaha YFZ450R
  • 2015 Yamaha YFZ450R
  • 2014 Yamaha YFZ450R
  • 2013 Yamaha YFZ450R
  • 2012 Yamaha YFZ450R
  • 2011 Yamaha YFZ450R
  • 2010 Yamaha YFZ450R
  • 2009 Yamaha YFZ450R
  • 2017 Yamaha YFZ450RSE Special Edition
  • 2016 Yamaha YFZ450RSE Special Edition
  • 2015 Yamaha YFZ450RSE Special Edition
  • 2014 Yamaha YFZ450RSE Special Edition
  • 2013 Yamaha YFZ450RSE Special Edition
  • 2012 Yamaha YFZ450RSE Special Edition
  • 2011 Yamaha YFZ450RSE Special Edition
  • 2010 Yamaha YFZ450RSE Special Edition
  • 2009 Yamaha YFZ450RSE Special Edition
  • 2011 Yamaha YFZ450X
  • 2010 Yamaha YFZ450X
  • 2011 Yamaha YFZ450X SE
  • 2010 Yamaha YFZ450XBB Bill Balance Edition
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Instructions and Manuals for FMF Factory 4.1 RCT Muffler - 044399