Product Details
Honda CRF450R / CRF450RX 2021, Factory 4.1 RCT™ Slip-On Muffler by FMF Racing®. 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 FMF 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 company exacting specifications and is manufactured 100% at FMF Southern California factory.
Notes
- Remember to check your local or state laws regarding vehicle noise restrictions.
Specifications
| End Cap Finish: Carbon Fiber |
Features
- 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
- Can be used with FMF or Stock OEM Header
Over the decades, FMF Racing® has seen an amazing transformation in the world of motorcycles and ATVs. The progression of the technology is one of the challenges that keeps them going. FMF was there in the days when the singleshock and watercooled engines were huge innovations and FMF is glad to be here now for the aluminum chassis and electronic fuel injection. The goal will never change - take the most advanced machinery to its limit by building the world's best performing exhausts. And its a fact, FMF build every exhaust by hand from start to finish right here in the U.S.