FMF
Factory 4.1 RCT Exhaust System - with Carbon Cap - Stainless Steel - MegaBomb
Part # 18202168
$1,074.99
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Oversize item — flat rate $33 shipping applies
Confirmed fit for 1 motorcycle configuration across Yamaha, model year 2026.
| Years | Make & Model |
|---|---|
| 2026 | Yamaha YZ450F |
- Achieves a shorter overall length that is less susceptible to crash damage and complementary to 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 exacting specifications
- Natural Aluminum with Carbon Fiber End Cap
- Massive Power gains throughout the RPM range
- Rapid Tuning System
- FMF uses the highest quality proprietary blend stainless steel made especially to standards
- Manufactured 100% at the Southern California factory
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Overview
The FMF 18202168: Factory 4.1 RCT Exhaust System - with Carbon Cap - Stainless Steel - MegaBomb. Confirmed fit for 1 motorcycle configuration across Yamaha, model year 2026. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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