Experience enhanced performance with the FMF Powercore 4 Hex Muffler (Part Number 044441). Designed with race-inspired technology, this muffler offers a significant increase in horsepower and torque while maintaining rugged durability. The Powercore 4 Hex is built with high-quality stainless steel and aluminum, making it a reliable choice for any rider seeking performance without the hefty price tag. Features: * Power and Torque Increase: Overall increase in power and torque for superior performance. * Durable Construction: Crafted with durable stainless steel and aluminum for long-lasting use. * Advanced Packing Material: Features Space Age internal packing material for maximum longevity. * Hi-Flo Technology: Internal shape of the core utilizes Hi-Flo technology for optimized airflow. * Enhanced Sonic Evacuation: Provides higher flow and increased power through enhanced sonic evacuation. * Removable Spark Arrestor: Includes a removable spark arrestor for added versatility. * Compatibility: Can be used with FMF or Stock OEM Header for easy installation.