Description

Factory 4.1 Exhaust – Aluminum/Stainless Steel

Upgrade your motorcycle’s performance with the FMF Factory 4.1 Exhaust System, engineered by FMF to deliver superior power compared to stock systems. Crafted with high-quality aluminum and stainless steel, this exhaust offers durability and corrosion resistance for long-lasting performance. The system features titanium and stainless steel headers, providing optimized exhaust flow and enhanced engine response. FMF’s Factory Forward engineering design centralizes mass, reducing overall weight and making it less susceptible to crash damage, which is ideal for aggressive riding and off-road adventures. The innovative rear end cap design allows for easy installation of tuning tip inserts or a spark arrestor by simply removing four screws, simplifying maintenance and customization. This exhaust system complies with AMA and FIM sound requirements, ensuring your motorcycle remains street-legal and environmentally compliant. The included QuietCore 94 dB insert further reduces noise levels, providing a quieter ride without sacrificing performance. Additionally, the spark arrestor included in the muffler helps prevent debris from exiting the exhaust, making it suitable for trail riding and forested environments. Whether you’re looking to boost horsepower, reduce weight, or improve sound quality, the FMF Factory 4.1 Exhaust System offers a professional-grade upgrade that enhances your motorcycle’s performance and durability while maintaining compliance with racing standards.

Features:

• Superior power output compared to stock systems

• Available with titanium and stainless steel headers for enhanced durability

• Factory Forward engineering design centralizes mass for better balance and crash resistance

• Rear end cap allows easy installation of tuning tip inserts or spark arrestor with four screws

• Meet AMA and FIM sound standards for legal racing and street use

• QuietCore 94 dB insert included for noise reduction

• Spark arrestor included in the muffler for debris prevention during trail riding