FMF 043381 Factory 4.1 RCT Titanium Slip-On Muffler with Carbon End Cap

The FMF Factory 4.1 RCT slip-on muffler represents the pinnacle of FMF's exhaust engineering, incorporating advanced Resonance Chamber Technology (RCT) both internally and externally to unlock hidden power potential in your machine. This premium exhaust system improves top-end pull and low-end torque while reducing overall weight compared to stock mufflers.

Key Features:

• Blue anodized titanium construction using FMF's proprietary aerospace-grade alloy blend
• Carbon fiber end cap with snap ring feature for fast and easy tuning
• Stainless steel mid-pipe for durability and corrosion resistance
• Patented core shape enhances exhaust pressure for optimal power output
• Shorter overall length reduces susceptibility to crash damage
• Factory Forward Engineering design centralizes mass by positioning muffler closer to motor
• Screen spark arrestor insert included
• Compatible with optional quiet insert (sold separately)
• 100% manufactured in FMF's Southern California factory

The Factory 4.1 RCT is constructed exclusively from aerospace-grade materials that meet FMF's exacting specifications. The innovative design delivers a finely-tuned powerband enhancement while maintaining a lowered sound level. For closed course competition use only.