08-13 HARLEY FLHX2: Mustang 1-Piece LowDown Touring Seat (Plain) Now the driver can have a comfortable seat and still plant his or her feet safely on the ground.The "Low Down&trade;" Touring seat sits the driver 1.5" lower than the stock seat, plus the nose of the seat is 1.5" narrower than stock.The 16.5" wide front b Will NOT work with frame-mounted Harley-Davidson&#174; or Mustang Driver Backrest kits. Receiver for the driver backrest is built into the seat; Mustang&#39;s Driver Backrest pad and post can be purchased later if desired.