Freedom Performance American Outlaw Dual exhaust systems feature one piece 2 1/2" (64mm) outer diameter 16 gauge heavy duty heat shields that cover the headers for a full 220 degrees and a three-step header system calibrated for performance. The megaphone style mufflers have an end diameter of 4 1/2" (114mm) topped off with a billet aluminum end cap. Race version mufflers feature unique two-step baffles with acoustic packing for a deep rich tone and unmatched performance. These baffles are removable and Quiet baffles are separately available. All American Outlaw Dual exhaust systems are equipped with O2 sensor ports and come with plugs for use on models without O2 sensors. These exhausts come complete and ready to bolt on and include stainless steel hardware and brackets. Available with a perfect chrome or ceramic black finish.