FMF 042381 Mini Factory 4.1 RCT Full Exhaust System Blue Anodized Titanium

The FMF Mini Factory 4.1 RCT is a high-performance full exhaust system engineered specifically for mini dirt bikes and play bikes. This competition-grade system delivers superior power gains across the entire RPM range while maintaining compliance with AMA and FIM sound regulations.

Key Features:

• Blue anodized titanium muffler with stainless steel mid pipe and end cap
• FMF Resonance Chamber Technology (RCT) for optimized power output and reduced sound levels
• Factory Forward Engineering design centralizes mass and reduces crash damage susceptibility
• Stainless steel header construction for durability and heat resistance
• Aerospace-grade materials manufactured in FMF's Southern California facility
• Innovative rear end cap with four-screw design for easy tuning insert or spark arrestor installation
• Shorter overall length compared to stock for improved ground clearance
• Includes QuietCore 94 dB insert and spark arrestor screen

This exhaust system provides exceptional power gains on both stock and big bore motors, making it the perfect upgrade for riders who demand premium performance from their mini bikes. The proprietary titanium alloy construction offers significant weight savings while delivering the durability needed for aggressive riding conditions.