The Firesweep exhaust system has been built around style and the performance Bassani is known for. Bassani threw their twist on a 2-into-2 shotgun style exhaust for a more unique look comparing to other manufactures. With this system you can anticipate power through out the rev range and not be robbed of performance in certain areas of the range. Features 16-gauge steel construction throughout 1-3/4" head pipes with 2-1/2" muffler bodies Includes mounting bracket and hardware Heat shields and baffles included 2012-13 Softail requires O2 adapter 542-519