The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, FMF achieve 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 centralise mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF exacting specifications and is manufactured 100% at their Southern California factory.

FEATURES

• Available in Blue Anodised Titanium Muffler with Carbon End Cap 
• Massive Power gains throughout the RPM range.
• Huge weight savings
• New RTS (Rapid Tuning System)
• Advanced engineering and patented design
• Meets AMA/FIM 94dB sound requirement
• Spark arrestor available for purchase
  
• Use with FMF or stock/OEM header
• Easily serviced for repacking
• FMF uses the highest quality proprietary blend of alloy grade titanium made especially to FMF standards.

Please note: Image for reference only. Correct product will be provided.

SPECIFICATIONS

Notice: Closed Course Use Only
Item ID: 045648
Type: Slip-On
Configuration: Single
Const: Titanium
Finish: Blue Anodised
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Weight: 5.6 lbs

BIKE FITMENT

GASGAS

• EC 250F 2021-2023
• EC 350F 2021-2023

HUSQVARNA

• FE250 2020-2023
• FE350 2020-2023
• FE450 2020-2023
• FE501 2020-2023
  

KTM

• 250 EXC-F 2020-2023
• 250 XCF-W 2020-2023
• 350 EXC-F 2020-2023
  
• 350 XCF-W 2020-2023
• 450 EXC-F 2020-2023
  
• 450 XCF-W 2020-2023
• 500 EXC-F 2020-2023