Description

The FMF Factory 4.1 Muffler 041593 is designed to deliver the ultimate combination of lightweight construction and high-performance exhaust efficiency for motorcycle enthusiasts. Crafted with premium American materials, this muffler is engineered to maximize horsepower and improve overall engine response across the entire RPM range. Its proprietary Chamber Core technology ensures superior power output while maintaining durability and reliability. The centralization of mass through Factory Forward Engineering enhances handling and balance, making it an ideal upgrade for riders seeking improved control and performance. This muffler is fully customizable with performance tuning inserts and a spark arrestor module, allowing riders to fine-tune their exhaust system to meet specific needs and preferences. Additionally, it complies with AMA sound requirements on most models, with available inserts for other applications, ensuring versatility across various motorcycle types.

Features:

• Lightweight construction for improved handling and performance

• Superior horsepower and power delivery throughout the RPM range

• Exclusive proprietary Chamber Core technology for enhanced efficiency

• Centralized mass design via Factory Forward Engineering for better handling

• Made from premium quality American materials for durability

• Customizable with performance tuning inserts and spark arrestor module

• Meets AMA sound requirements on most models; inserts available for others