FMF 4.1 RCT Exhaust System with MegaBomb - Anodized Titanium- 044457 - 2019-2022 Yamaha YZ250F, YZ250FX

FMF 4.1 RCT Exhaust System with MegaBomb - Anodized Titanium- 044457 - 2019-2022 Yamaha YZ250F, 2020-2022 YZ250FX

The FMF 4.1 RCT Exhaust System utilizes aerospace grade materials and Resonance Chamber Technology™ to greatly improve performance and durability. With its included MegaBomb header, this system offers substantial power gains. It also comes with a spark arrestor screen insert and RTS for effortless tuning.

FMF 4.1 RCT Exhaust System with MegaBomb - Anodized Titanium:

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally

• Reduce length, less crash-prone, complements FMF's Factory Forward Engineering - muffler closer to motor for mass centralization.
• The Factory 4.1 RCT meets FMF's aerospace standards, made in Southern California with precision.
• Massive Power gains throughout the RPM range.
• Huge weight savings
• New RTS (Rapid Tuning System)
• Includes MegaBomb header
• Includes spark arrestor screen insert

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