Description

The FMF Factory 4.1 Muffler (Part Number 041594) offers a lightweight yet durable exhaust solution designed to enhance motorcycle performance. Crafted from high-quality American titanium, this muffler is available in a natural finish or a striking blue anodized option, both featuring titanium end caps for added durability and style. Its ultra-lightweight construction helps reduce overall bike weight, contributing to improved handling and maneuverability on the trail or track. The Factory 4.1 is engineered with proprietary Chamber Core technology, which maximizes exhaust flow and increases horsepower across the entire RPM range, delivering noticeable performance gains without sacrificing reliability.

Built with Factory Forward Engineering principles, this muffler centralizes mass to improve balance and handling, making it an ideal upgrade for riders seeking competitive edge and superior ride quality. It is compatible with most models and meets AMA sound regulations, with optional inserts available to tailor noise levels or meet specific requirements. Customization options include performance tuning inserts and a spark arrestor module, enabling riders to fine-tune their exhaust system for optimal performance and compliance. Whether you are looking for increased power, reduced weight, or a stylish upgrade, the FMF Factory 4.1 Muffler provides a high-performance solution that combines advanced technology with premium materials for dependable, race-ready results.

Designed for serious enthusiasts and professional racers alike, this muffler ensures that every ride is optimized for maximum efficiency and power. Easy to install and maintain, it stands as a top choice for those seeking a lightweight, high-performance exhaust upgrade that complements their motorcycle’s capabilities and aesthetic appeal.

Features:

• Constructed from premium quality American titanium for durability and light weight

• Available in natural titanium or blue anodized titanium with titanium end caps

• Incorporates proprietary Chamber Core technology for superior exhaust flow and power gains

• Centralizes mass through Factory Forward Engineering for enhanced handling

• Meets AMA sound requirements with optional performance tuning inserts and spark arrestor module