FMF Factory 4.1 RCT Slip On Stainless Steel&Carbon YZ250F 19 Muffler

Compatible models:

YAMAHA YZ 250 F 2019-2021.

YAMAHA YZ 250 FX 2020-2022.

Factory 4.1 RCT Slip-On Muffler.

The Factory 4.1 RCT incorporates FMF´s Resonance Chamber Technology™ both internally and externally.

In addition, FMF achieves 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 centralize mass.

The Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory.

Massive Power gains throughout the RPM range.

Huge weight savings.

RTS (Rapid Tuning System).


Many bikes are equipped with an exhaust valve controlled by a servo motor. When making performance changes involving the replacement of the exhaust or the installation of an additional control unit, it is necessary the elimination of the exhaust valve.

FMF Factory 4.1 RCT Slip On Stainless Steel&Carbon YZ250F 19 Muffler has the 100% money-back guarantee. If for whatever reason you are not completely satisfied with your FMF Factory 4.1 RCT Slip On Stainless Steel&Carbon YZ250F 19 Muffler you have purchased at motardinn, you have 30 calendar days from delivery in which to return it. In addition, in our online motorcycle store you can discover the full range of product of the brand FMF and complete your order in Mufflers products always at the best price.