FMF Factory 4.1 Titanium Slip-On Muffler - 041593

The FMF Factory 4.1 Slip-On Muffler is engineered for riders who demand the ultimate in performance and weight reduction. This muffler delivers a noticeable power increase across the entire RPM range, enhancing your riding experience.

Description

Experience superior power and performance with the FMF Factory 4.1 Slip-On Muffler. This meticulously crafted slip-on muffler boasts proprietary Chamber Core technology, ensuring optimal exhaust flow and maximum horsepower gains. Factory Forward Engineering centralizes mass, drastically improving your bike's handling and responsiveness. Constructed from premium American materials, the FMF Factory 4.1 offers unmatched durability and reliability. Personalize your ride with optional performance tuning inserts and a spark arrestor module. While the Factory 4.1 Slip-On meets AMA sound requirements on most models, please note that it will not pass the stringent 2025 FIM sound regulations. Upgrade to the FMF Factory 4.1 and unleash the full potential of your machine.

Features & highlights

• Experience a significant horsepower boost throughout the entire RPM range for improved acceleration and throttle response.
• Proprietary Chamber Core technology optimizes exhaust flow, maximizing power output and engine efficiency.
• Factory Forward Engineering centralizes mass, resulting in enhanced handling and improved maneuverability.
• Crafted from premium American titanium and stainless steel, guaranteeing exceptional durability and a long lifespan.
• Easily customize your exhaust system with optional performance tuning inserts and spark arrestor module.
• Meets AMA sound requirements on most models, ensuring compliance for sanctioned racing events.

Technical specifications

• Brand: FMF
• Product Name: Muffler
• Type: Slip-On
• Material: Titanium
• End Cap Material: Stainless Steel

Important to know

Please be aware that this muffler will not pass 2025 FIM sound regulations. Inserts are available for models that do not initially meet AMA sound requirements. Spark arrestor module and performance tuning inserts are sold separately.