Factory 4.1 RCT Exhaust Silencer 20-21 Yamaha WR 250 F - FMF 044473

FMF Racing Factory 4.1 RCT Exhaust Silencer with Carbon End Cap

Experience enhanced performance and durability with the FMF Racing Factory 4.1 RCT Stainless Slip-On Exhaust. This system features advanced FMF Resonance Chamber Technology™ to maximize engine output and minimize vulnerability. Its Factory Forward Engineering centralizes mass for improved handling and reduced crash impact. Precision manufactured in the USA using aerospace-grade materials, this slip-on system provides significant power gains across the entire RPM range and substantial weight reduction.

Key Features:

• FMF Resonance Chamber Technology™ for optimized performance
• Compact design moves mass closer to the motor, enhancing centralization and reducing crash exposure
• Constructed from aerospace-grade proprietary blend materials for maximum durability and weight savings
• Natural aluminum muffler complemented by a carbon fiber end cap
• Delivers significant power gains throughout the entire RPM spectrum
• Features the Rapid Tuning System (RTS) for straightforward adjustments
• Includes a screen spark arrestor and a 94dB quiet insert for compliance
• Designed for closed course competition use only

Specifications:

• Type: Slip-On
• Configuration: Single
• Muffler Construction Material: Aluminum
• Muffler Finish: Natural
• Mid-pipe Material: Stainless Steel
• End Cap Material: Carbon Fiber
• Spark Arrestor: Screen insert (included)
• Quiet Insert: 94dB insert (included)
• Weight: 7.1 lbs (3.22 kg)
• CARB Warning: Yes