Feature the revolutionary Power Chamber™ design; a unique cross-over system that increases horsepower and torque. Armed with full-coverage 2-1/2" heat shields that are essentially blue-proof for long-lasting style. Like all Vance & Hines systems, these feature a superior fit and an unrivaled finish. Incorporates a new, revolutionary "Super Bung" dual mounting O² sensor port allowing oxygen sensors mounting for 12mm and 18mm installation in a single V&H exhaust system. Meticulously finished slash-cut billet end caps. Removable baffles, and all mounting hardware included. Made in the U.S.A..