Description
If you’re serious about extracting maximum power from your machine while cutting unnecessary weight, the FMF Factory 4.1 RCT is the exhaust system that delivers across the entire RPM range. Built from aerospace-grade titanium and engineered in-house at FMF’s Southern California facility, this muffler combines aggressive performance gains with practical durability—and its compact design means less vulnerability to crash damage and better weight distribution through forward-positioned mounting.
The Factory 4.1 RCT leverages proprietary Resonance Chamber Technology™ to optimize exhaust scavenging while keeping the overall package compact and lightweight. Whether you’re chasing lap times or building a high-revving machine, this is precision engineering that translates directly to real-world performance.
- Anodized titanium construction
- Aerospace-grade materials throughout
- Resonance Chamber Technology™ (internal/external)
- Factory Forward Engineering positioning
- 100% Southern California manufactured
- Bolt-on installation
- Rapid Tuning System (RTS)
- Compact, crash-resistant design
- Substantial power gains (full RPM)
- Significant weight reduction
- MPN: 044455
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