FMF Factory 4.1 RCT Exhaust System - Stainless Steel - Carbon End Cap 042405
Part Number: 18202045Description
The FMF Factory 4.1 RCT delivers measurable power gains through a tuned expansion chamber design that maximizes exhaust scavenging and reduces back-pressure across the RPM band. Built from stainless steel with a carbon fiber end cap, this system resists corrosion while maintaining a competitive weight profile—critical for closed-course racing where every tenth matters. FMF's inclusion of both a spark arrestor screen and 94dB insert ensures compliance flexibility without compromising performance potential.
- Stainless steel construction
- Carbon fiber end cap
- Factory 4.1 RCT design
- Spark arrestor included
- 94dB silencer insert
- Closed course competition only
- Manufacturer Part Number: 042405
- Tuned expansion chamber
- Corrosion-resistant materials
Fitment
Fitment for FMF Factory 4.1 RCT Exhaust System - Stainless Steel - Carbon End Cap 042405
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