The worlds only 5-step performance exhaust 2-into-1. Exclusive 2-step removable baffle 2-1/2 to 3". 3-step header pipes 1-3/4, 1-7/8 to 2". for anti-reversion, full-range torque, and horsepower. Full length 2-1/2" wraparound blue-proof heatshields 4-1/2" megaphone muffler that generates a deep throaty sound, serious performance. Chrome or Black end cap Complete with mounting hardware and brackets