Bassani True Dual Exhaust System With Superbike Mufflers For Harley The Bassani True Dual Exhaust System offers motorcycles a distinct edge in both looks and sound. Adopting the classic bagger style exhaust appearance, this system integrates stepped headers with superbike style mufflers. The result is not only a visual enhancement but also optimal performance with a deeply aggressive dual exhaust sound. Features: True dual header system 1 3/4 to 1 7/8 stepped head pipes 4 superbike design mufflers with removable end caps 2.5 removable louvered baffles Stainless steel construction Hand tig welded Full length stainless heat shields 18mm O2 sensor ports with 12mm adapters and plugs Made in the USA