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  • 4.1 RCT Dual CRF w C/Cap Ti M-Bomb
  • FMF 4.1 Honda RCT S/S Muffler System w/carbon caps
  • FMF 4.1 RCT Ti  Anodized Full System w/megabomb + Carbon Cap
  • FMF Factory 4.1 RCT Muffler System
  • FMF Factory 4.1 YZF System w M/Bomb Header + Carbon End Cap
  • STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP
  • FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP
  • STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM
  • FMF FACTORY Titanium 4.1 SYSTEM
  • FMF POWERCORE 4 Slip On Muffler (Sample Image)
  • FMF 4.1 RCT S/S CRF Dual w C/Cap M-Bomb
  • FMF 4.1 RCT S/S SYSTEM w/Megabom + Carbon Cap
  • FMF-041562
  • 4.1 S/S Single CRF450R 17-18 System with MBomb Header
  • 4.1 Dual Ti CRF250R 2018-21 System with MBomb Head
  • FMF MINI POWERCORE 4
  • FMF-042002-P-Core-4 - KLX110/L S/A
  • W/ CARBON END CAP
  • 4.1 RCT System KX450F 16-18 S/S FMF W/M-Bomb Carb Cap
  • FACTORY 4.1 RCT STAINLESS FULL SYSTEM W_CARBON END CAP
  • FMF 4.1 RCT Ti Slip On Muffler w/Carbon Cap
  • FMF 4.1 RCT S/S Muffler w/Carbon Cap
  • FACTORY4.1 SYSTEM stainless
  • STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM
  • FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
  • 4.1 RCT S/S YZ450F 2020 Full System w/carb end cap
  • 4.1 RCT Ti YZ450F 2020 Full System w/carb end cap
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Kaitaia Motorcycles

FMF 4 Stroke Full Exhaust System

Regular price
$2,499.00 NZD
Regular price
Sale price
$2,499.00 NZD
Stock Item

 

 

 

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.

  • Available in Natural Aluminum 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.