FMF Anodized Titanium Factory 4.1 Slip On Exhaust Muffler

Description

The FMF Racing Factory 4.1 Exhaust System features an anodized titanium muffler with a stainless steel header, designed for maximum power gains throughout the RPM range. Utilizing exclusive Chamber Core and Resonance Chamber Technology, it enhances exhaust pressure while maintaining optimal sound levels. The Factory Forward Engineering design centralizes mass for improved handling and durability. Constructed from a high-quality titanium alloy, this lightweight system includes a patented canister shape that increases internal volume for better sound absorption. The innovative rear endcap allows for easy installation of tuning inserts or a spark arrestor module. Additionally, the system includes a Titanium Megabomb to further optimize power output. It meets AMA sound requirements for most models, with inserts available for those that need adjustments.