FMF Factory 4.1 RCT Stainless Muffler w/ Carbon End Cap 2025+ Honda CRF250R/RX | 041618

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.

Features:

• RCT SLIP-ON
• All new incorporating the latest in Resonance Chamber Technology
• Patented core shape lowers sound level while maintaining maximum power output
• Patented canister shape increases internal volume for more sound absorbing material
• Patented chamber design to enhance and refine exhaust pressure
• Factory Forward Engineering centralizes mass and is less prone to crash damage
• Tuned exhaust with optimized core specifications for each application
• Innovative rear end cap for simple installation of tuning tip inserts or spark arrestor
• Aluminum RCT has Aluminum canister and Stainless mid-pipe
• Includes spark arrestor and wash plug
• SUBSTANTIAL POWER INCREASES EVERYWHERE

Notice:Closed Course Use Only
Item ID:041618
Type:Slip-On
Configuration:Single
Const:Aluminum
Finish:Gray Anodized
Midpipe:Stainless Steel
Endcap:Carbon
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:94dB Insert (included)