Pro Circuit Ti-6 Stainless System - Carbon Fiber End Cap 0312025F2The Ti 6 Titanium Dual Exhaust System is designed to improve performance and is constructed of titanium throughout the head pipe, y collector mid pipe, and canisters while the end caps are constructed of carbon fiber. Improving power where the Ti 5 showed weak points, and based on customer feedback, a distinctive sound was also created to try and accommodate the current motorcycle rider. Although the Ti 6 will not pass FIM sound requirements seen in