FMF Factory 4.1 Muffler 041602 – Lightweight Performance Exhaust for Optimal Power

The FMF Factory 4.1 Muffler 041602 is engineered for riders seeking the lightest muffler with superior power and performance. Crafted with exclusive proprietary Chamber Core technology, this muffler enhances horsepower across the entire RPM range, ensuring strong acceleration and top-end speed. Its innovative design incorporates Factory Forward Engineering, which centralizes mass for improved handling and stability, making it an ideal upgrade for competitive off-road and motocross enthusiasts. Constructed from premium quality American materials, the FMF Factory 4.1 offers durability and reliability in demanding riding conditions. The muffler's lightweight design combined with advanced engineering delivers a noticeable performance boost without adding excess weight to your bike. It is customizable with performance tuning inserts and a spark arrestor module, allowing riders to tailor their setup for specific riding environments or regulations. Additionally, the muffler meets AMA sound requirements on most models, with inserts available for a broader range of applications, making it versatile and compliant for various racing and recreational use.

Features:

• Lightweight construction designed for optimal performance and handling

• Exclusive Chamber Core technology for improved horsepower throughout the RPM range

• Factory Forward Engineering centralizes mass for enhanced stability and control

• Made from premium American materials for durability and longevity

• Compatible with performance tuning inserts and spark arrestor modules for customization

• Meets AMA sound regulations on most models with available inserts

ATTRIBUTES:

BRAND: FMF

MPN: 041602