FMF Factory 4.1 Muffler 041593 – Lightweight Performance Exhaust for Motorcycles

The FMF Factory 4.1 Muffler (Part Number 041593) is engineered to deliver unmatched power and performance while maintaining the lightest weight in its class. Constructed from premium American materials, this muffler enhances horsepower across the entire RPM range, providing riders with increased acceleration and overall engine efficiency. Its exclusive proprietary Chamber Core technology optimizes exhaust flow, resulting in improved throttle response and engine performance. The design incorporates Factory Forward Engineering principles, centralizing mass for better handling and balance, which is especially beneficial during aggressive riding or competitive events. The FMF Factory 4.1 Muffler is customizable, allowing the addition of performance tuning inserts and a spark arrestor module to meet specific riding or competition requirements. It also complies with AMA sound standards on most models, with optional inserts available for other applications, making it a versatile upgrade for a wide range of motorcycles. This muffler is ideal for riders seeking lightweight construction combined with superior power output and durability, ensuring reliable performance in demanding conditions.

Features:

• Lightweight construction for enhanced maneuverability

• Superior power and horsepower improvement throughout RPM range

• Exclusive Chamber Core technology for optimized exhaust flow

• Factory Forward Engineering design centralizes mass for improved 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; optional inserts available

ATTRIBUTES:

BRAND: FMF

MPN: 041593