PCX™ (Power Chamber Exhaust) Technology High-flow catalyst with catalytic cell design for increased torque In light grade 304 stainless steel. With TIG welding by hand Complies with emissions regulations in all 49 states (USA) Includes mounting hardware and installation instructions. Made in USA Does not fit '18-'22 Harley-Davidson Softail Fat Boy, Breakout models. Not for use with saddlebags.