FMF Racing Factory 4.1 RCT Anodized Titanium Slip-On Silencer for KTM EXCF Bikes - FMF Exhaust Slip-On Silencers
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 FMF's Southern California factory.
Factory 4.1 Slip-On Silencers are for riders looking for easy-to-install, durable performance silencers that can bolt right onto their stock head pipe or marry up to the FMF Megabomb or Powerbomb head pipes.
If you're a rider looking for a silencer that's packing stellar looks and increased performance from a staple brand in motor-sports, the FMF Factory 4.1 RCT Aluminium Silencer with Carbon End Cap and Side Panel is an option that we think sits close to the top of the class.
FMF distinguishes their 4.1 RCT from other silencers from the start by using premium materials and a refined design developed over years of industry experience. Features like FMF’s unique Resonance Chamber Technology™ (RCT), a specialised chamber that sits at the front of the slip-on, lower your exhaust decibel level so it complies with FIM 2M max sound tests and the stringent AMA sound requirements so you can get onto any trail and into any race where noise level regulations are enforced.
While the RCT lowers sound, what's better is that it won't eat up your bike's power either. In Fact, the RCT chamber design refines and enhances exhaust pressure to give your bike gains throughout the rpm range. Power increases are tunable as well with the end cap housing FMF's new Rapid Tuning System (RTS) that lets you swap between race tips (sold separately) and the 94 dB Quiet Core insert. With this level of performance and versatility FMF's Factory, 4.1 RCT Silencers really do serve as an excellent option for all types of dirt and off-road riders.
This is one of the best upgrades that you can add to your motocross bike is a slip-on exhaust. It's a simple, affordable way to gain power and that factory look without spending a fortune. FMF offers the Factory 4.1 RCT Slip-on for all motocross bikes such as Honda, Yamaha, Kawasaki, Suzuki, KTM and Husqvarna.
FMF Factory 4.1 RCT Slip-On Silencer features:
- The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally lowers sound and refines exhaust gas pressure.
- 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 centralise 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
- Genuine carbon fibre composite end cap
- Compatible with FMF and OEM headers
- Increases performance throughout the rpm range
- Efficient design centralizes mass and makes silencer body less prone to damage in a crash
- Increased packing material volume in main body canister
- Meets AMA and FIM sound regulations and requirements
- Huge weight savings
- RTS (Rapid Tuning System)
- We recommend use in conjunction with an FMF Megabomb header for further increase in rideability and power output
- Quiet Core 94db end cap insert included
Please Note: The image shown is for a guide only, the sticker graphic, silencer shape, bracket shape/colour will differ between bike make, models & years.
