HD-FBY-X39-X48.01 Destiny slip-on mufflers. Euro 5. Polished

Designed for 2021 to 2023 Milwaukee-Eight Softail Fat Boy 114 models, these Miller Destiny slip-on mufflers offer a refined polished stainless steel finish with a modern twist. This set features 85mm diameter bodies paired with Standard style matte black billet aluminum end caps. These German-made exhausts are Euro 5 compliant and street legal across the EU, delivering the classic Harley-Davidson sound along with a performance increase of roughly 2 to 3 horsepower. The kit is a direct slip-on for stock head pipes and includes the catalytic converter, O2 sensor ports, and all necessary mounting hardware. With the dB killer spot-welded in place for compliance, these mufflers provide a reliable and legal way to enhance your Fat Boy's performance.