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FMF FACTORY 4.1 RCT YAMAHA
Offroad

FMF RACING

FMF FACTORY 4.1 RCT YAMAHA

SKU 044488·Exhaust - Slip-On
$795.59

Out of stock · stock as of Aug 28, 2026

Shipping calculated at checkout

30-day returns on unused parts

Details

Developed with Championship winning Factory STAR Racing Yamaha, the Factory 4.1 Titanium Systems delivers unmatched power, reduced weight and the signature FMF Factory look. 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 Blue Anodized Titanium Muffler with Blue Carbon Fiber End Cap Massive Power gains throughout the RPM range Lightweight design New RTS (Rapid Tuning System) Hi-flo performance Core Improved throttle response Direct bolt-on installation FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards

Specs

Vehicle
Offroad
Weight Lb
11.56
Shipping Class
standard

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