- For Sportster from 2004 to 2013
- 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
- The classic 2-in-1 Megaphone is the signature of the supertrapp line.
- The disc system provides the best power at medium/high speed,
- while giving the traditional hoarse rumble.
- The discs are mounted at the rear