FMF
Factory 4.1 RCT Exhaust System - Titanium - Carbon Fiber End Cap
Part # 1820-2048
$1,374.99
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
Confirmed fit for 6 motorcycle configurations across Yamaha, model years 2023–2025.
| Years | Make & Model |
|---|---|
| 2023-2025 Yamaha | YZ450F |
| 2024-2025 Yamaha | YZ450FX |
| 2024 Yamaha | WR450F |
- Incorporates FMF Resonance Chamber Technology™ both internally and externally
- 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
- Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
- Spark arrestor screen insert included
- 94dB insert included
- For closed course competition only
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Overview
The FMF 1820-2048: Factory 4.1 RCT Exhaust System - Titanium - Carbon Fiber End Cap. Confirmed fit for 6 motorcycle configurations across Yamaha, model years 2023–2025. 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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