i have a set of gently used MIVV slip ons. excellent shape, never dropped on pipes. comes with original box, spacers for mounts, and collars to clamp to your exhaust. probably the best looking and sounding exhaust for the 919. weighed in around 9lb lighter than stock. proably about 2500 miles on them. bike was garage kept. dont have any pics right now so this is a link to the pipes.