Description
If you’re running a dirt bike or off-road machine, exhaust performance directly impacts power delivery, weight distribution, and durability under extreme conditions. The FMF 4.1 RCT delivers measurable gains across the RPM range while shedding unnecessary weight—critical advantages whether you’re racing competitively or pushing your machine to its limits on the trail. Built entirely from aerospace-grade materials in FMF’s Southern California facility, this system is engineered to withstand impacts and deliver consistent performance lap after lap.
- Resonance Chamber Technology™
- Shorter, crash-resistant design
- Centralized mass positioning
- Aerospace-grade aluminum construction
- Includes MegaBomb header
- Rapid Tuning System (RTS)
- Spark arrestor screen included
- Power gains across RPM range
- Significant weight reduction
- 100% Made in Southern California
