For Dyna Low Rider S FXDLS: 2016–2017. For Dyna Low Rider FXDL: 2007–2017. For Dyna Fat Bob FXDF: 2008–2017. For Dyna Wide Glide FXDWG: 2007–2008, 2010–2017. Stepped 1 3/4" to 1 7/8" head pipes. 4” Rolled Cone Muffler with a 2 ¼ Perforated Baffle and High-temperature sound-absorbing cotton for increased torque and a deep tone.
