Harley Davidson Screamin' Eagle Muffler kit. New Kit. Sitting on the shelf for years. Part number 80086-84B. Harley says this fits 1984  thru  1994 FX.  Baloney/slash cut mufflers.  ID of slip on end is 1 3/4". Check your pipe diameter to be sure this will fit your pipes.  Do your home on this before you buy.  FREE shipping