FMF Motorcycle 4.1 RCT Exhaust - KTM SX-F 250/350/450 FC250/350/450 16-18 EXC 17-18

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.

  • Blue Anodized Titanium Muffler with Carbon 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
  • Item ID: 045586
  • Type: Slip-On
  • Configuration: Single
  • Const: Titanium
  • Finish: Blue Anodized
  • Endcap: Carbon
  • Spark Arrestor: Screen Insert (included)
  • Quiet Insert: Included
  • Weight: 1.9kg (4.2 lbs.)


Compatible with the following Motorcycles:
KTM SX-F 250/350/450 FC250/350/450 16-18 EXC 17-18

SKU 6107452
Brand FMF
Shipping Weight 3.0000kg
Shipping Width 0.300m
Shipping Height 0.700m
Shipping Length 0.300m

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