Description
- The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally.
- It starts at the center with a new core - a patent pending shape enhances and refines the exhaust pressure wave for optimal power output while lowering the sound level.
- In addition, it achieves a shorter overall length that is less susceptible to crash damage and complementary to the Factory Forward Engineering - moving the muffler(s) closer to the motor to centralize mass.
- Visible changes to the exterior include a redesigned canister to increase internal capacity for the maximum volume of packing material.
- The packing itself was not overlooked - a proprietary blend formulated for superior durability and sound attenuation.
The final component is a new rear endcap engineered for simple tuning adjustments incorporating a snap ring feature to secure the standard and optional inserts. Massive POWER gains throughout the RPM range. Quieter than stock. Huge weight savings. Includ
