Description
The Factory 4.1 RCT transforms your exhaust system into a precision performance component, not just a silencer. By centralizing mass through Factory Forward Engineering and reducing overall length, you’ll experience measurable power gains across the entire RPM band while shedding unnecessary weight. Built from aerospace-grade aluminum at FMF’s Southern California facility, this muffler delivers the durability and consistency that serious racers and dedicated enthusiasts demand.
Technical Specifications:
- Resonance Chamber Technology™ (internal/external)
- Aerospace-grade aluminum construction
- 100% Southern California manufactured
- Shorter overall length design
- Factory Forward Engineering integration
- Centralized mass positioning
- Power gains throughout RPM range
- Significant weight reduction
- Rapid Tuning System (RTS) compatible
- Reduced crash damage susceptibility
- MPN: 044427
- Bolt-on installation





