FMF Factory 4.1 Muffler 041603 – Lightweight Performance Exhaust with Chamber Core Technology

The FMF Factory 4.1 Muffler (Part Number: 041603) is designed to deliver exceptional power and performance while maintaining the lightest weight among available mufflers. Constructed with premium American materials, this muffler enhances horsepower across the entire RPM range, making it ideal for riders seeking optimized engine output. Its exclusive Chamber Core technology improves exhaust flow, resulting in increased efficiency and responsiveness. The Factory Forward Engineering design centralizes mass, which contributes to better handling and overall vehicle stability. Perfect for competitive riding and performance enthusiasts, this muffler can be customized with tuning inserts and a spark arrestor module to meet specific riding needs and local sound requirements.

Built to meet AMA sound standards on most models, the FMF Factory 4.1 offers versatility with available inserts for additional tuning and sound control. This lightweight exhaust system is engineered not only for performance gains but also for durability and quality, ensuring a long-lasting upgrade to your bike’s exhaust system. Whether you're racing or riding for recreation, this muffler provides a significant performance boost without adding unnecessary weight, making it a smart choice for serious riders and enthusiasts alike.

Features:

• Lightest muffler available, optimized for performance and weight reduction

• Exclusive Chamber Core technology improves exhaust flow and horsepower

• Factory Forward Engineering design centralizes mass for enhanced handling

• Made from premium quality American materials for durability and longevity

• Customizable with performance tuning inserts and spark arrestor module

• Meets AMA sound requirements on most models, with inserts available for additional sound control

ATTRIBUTES:

BRAND: FMF

MPN: 041603