Freedom Performance Exhaust Combat 2-1 Exhaust Black with Black Tip MK00007 A 5-Step performance exhaust 2-into-1 3-step header pipes 1-3/4", 1-7/8", 2" for anti-reversion full-range torque and horsepower Exclusive 2-step removable baffle 2-1/2" to 3" with optional quiet baffles 903-290 or 903-291 depending on fitment Full length 2-1/2" outside diameter 220&deg wrap around blue-proof heatshields 4-1/2" megaphone muffler that generates a deep throaty sound, serious performance