Bassani Pro-Street Exhaust For Harley Breakout / Rocker Bassani gives you their twist on shotgun styled 2-into-2 exhaust with the Pro-Street exhaust system. The system is made to produce a low rumble that uses various diameter within the pipe for maximum performance where needed. Features: Designed to increase low-end torque and produce a deep, throaty exhaust note 16-gauge steel construction Includes heat shields, mounting brackets and hardware Also includes O2 sensor plugs for pre-07 applications Available in Black or Chrome finish Made in the USA