64900254A 64900255A
These part numbers represent a genuine Harley-Davidson original equipment manufacturer (OEM) exhaust silencer/muffler set designed for Touring CVO (Custom Vehicle Operations) motorcycles. 
Part Breakdown
  • 64900254A: Left-side exhaust muffler.
  • 64900255A: Right-side exhaust muffler. 
Vehicle Compatibility
This factory chrome or smoked satin chrome slip-on set typically fits Harley-Davidson Touring FL models with the Milwaukee-Eight (M8) engine, spanning roughly the 2017 to 2020 model years. Common compatible premium models include: [1, 2]
  • FLHXSE (Street Glide CVO)
  • FLTRXSE (Road Glide CVO)
  • FLHTKSE (Ultra Limited CVO)
Key Specifications
  • Emission Compliance: These units feature integrated factory baffles and carry an official E-Mark stamping, confirming they meet strict Euro 4 emission and noise standards. 
  • Finishes: They are primarily available in premium CVO-specific factory finishes, including standard high-polish Chrome and specialized Smoked Satin Chrome.