Khrome Werks Outlaw 2 into 1 Exhaust For Harley Touring The Outlaw Exhaust System from Khrome Werks has been designed to maximize power while providing a low frequency, aggressive tone. This high quality to into 1 exhaust system utilizes a three step primary to effectively control the speed of exhaust gasses and maximize the scavenging effect for maximum performance. Features: 16 gauge 1-3/4 - 1-7/8 - 2 - 3-step primaries with a 2-1/2 collector 4 1/2 diameter, 16-gauge HP-Plus muffler with 2.5 inlet Spherical port caps to ensure sealing 18 mm and 12 mm O2 bungs P-Clamp mounting to the included transmission side cover bracket allows the system to expand freely Muffler tips sold separately Note: For competition or off-road use only.