Feature the revolutionary Power Chamber™ design a unique cross-over system that increases horsepower and torqueArmed with full-coverage 2-1/2'' heat shields that are essentially blue-proof for long-lasting styleLike all Vance & Hines systems, these feature a superior fit and an unrivaled finishIncorporates 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 systemMeticulously finished slash-cut billet end capsRemovable baffles, and all mounting hardware includedMade in the U.S.A.