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FMF Factory 4.1 RCT Titanium Slip-On Muffler - 044407

  • Part #:
    436171
  • Manufacturer Part #:
    044407

MSRP Price: $599.99

Our Price: $539.99

You Save:
$60.00 (10%)
1 on Hand

Overview of FMF Factory 4.1 RCT Titanium Slip-On Muffler - 044407

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 percent at our Southern California factory.
  • Available in Natural Titanium Muffler with Titanium 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
  • 94dB Quiet Insert included


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

Included Items:
(1) Titanium muffler with stainless steel mid-pipe and endcap
(1) 8mm-1.25 x 30mm flange head bolt
(1) Wire lock ring
(1) Spark arrester insert
(1) Wash plug
(1) Aluminum spacer
Instructions

Specs for FMF Factory 4.1 RCT Titanium Slip-On Muffler - 044407

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/o Spark Arrestor
Units Each
Weight 7.40 lbs

Cross reference number(s):

18211536

Specs for FMF Factory 4.1 RCT Titanium Slip-On Muffler - 044407

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/o Spark Arrestor
Units Each
Weight 7.40 lbs

Fitment for FMF Factory 4.1 RCT Titanium Slip-On Muffler - 044407

See if this part fits your ride

Part 436171 fits the following machines

Yamaha
  • 2018 Yamaha WR450F
  • 2017 Yamaha WR450F
  • 2016 Yamaha WR450F
  • 2017 Yamaha YZ450F
  • 2016 Yamaha YZ450F
  • 2015 Yamaha YZ450F
  • 2014 Yamaha YZ450F
  • 2018 Yamaha YZ450FX
  • 2017 Yamaha YZ450FX
  • 2016 Yamaha YZ450FX
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Instructions and Manuals for FMF Factory 4.1 RCT Titanium Slip-On Muffler - 044407