Bassani Exhaust 1S21FB Black Sweeper Radius Exhaust for 2018-Newer Harley M8 Softail Models. Fits the 2018 Softail Fat Bob, Fat Boy, Street Bob, Lowrider, Breakout, Slim and Heritage. This system has the 18mm O2 ports that are required to run a Thundermax Auto Tune Module. Also comes with a 12mm reducer kit for those who choose not to run an auto tune module.
- Stepped 1 3/4″ to 2″ headpipes
- Full Black heat shields
- 18mm O2 Bungs with 12mm adapters
- Straight muffler
- Fits 2018 Fat Bob, Fat Boy, Street Bob, Lowrider, Breakout, Slim and Heritage
- Made in the U.S.A.